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 Feb 2 awarded Popular Question May 19 accepted Is there any way to find sum of sequence generated by formula? May 19 comment Is there any way to find sum of sequence generated by formula? So, there is no formula, where I can put $n$ and get such sum without those loops to calculate $n^2$ May 19 awarded Editor May 19 revised Is there any way to find sum of sequence generated by formula? added 69 characters in body May 19 reviewed Approve Is there any way to find sum of sequence generated by formula? May 19 comment Is there any way to find sum of sequence generated by formula? Can you give me more details? May 19 comment Is there any way to find sum of sequence generated by formula? This formula gives n-th term and I need a sum of first n terms. May 19 awarded Custodian May 19 reviewed Approve Is there any way to find sum of sequence generated by formula? May 19 asked Is there any way to find sum of sequence generated by formula? Mar 11 accepted Is it possible to solve a puzzle using lcm? Mar 10 comment Is it possible to solve a puzzle using lcm? @Tad Also about So lcm(K,N,M) must divide D, if K=2,N=4,M=7,D=3 then lcm=28 and it won't divide D, but lcm is correct answer right now. Mar 10 comment Is it possible to solve a puzzle using lcm? @Tad I think you have problem in formula, it should be S = D/(1-1/K-1/N-1/M), but I don't know markup language to edit it properly. Mar 5 asked Is it possible to solve a puzzle using lcm? Mar 1 comment How to find connection between sequence and formula? Yes. I started with finding formula for this sequence. But found it only on OEIS. I can try to write some loops which will generate those numbers. But as I can see formula is the best solution in this case. Mar 1 comment How to find connection between sequence and formula? If you need to implement computer algorithm for it, how would you start? Mar 1 asked How to find connection between sequence and formula? Jan 9 accepted Is there any way to get convergent series if I know the sum? Jan 8 asked Is there any way to get convergent series if I know the sum?