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seen Oct 18 at 2:47

Don't have much time these days...


Jul
18
comment Bounds on a recursively defined sequence
@angryavian: $\frac{e^x-1}{x} = \sum_{k=0}^{\infty} \frac{x^k}{(k+1)!}$. Differentiate twice.
Jul
18
comment Lattice Path Spaces.
Are you allowed to revisit earlier points?
Jul
18
comment Bounds on a recursively defined sequence
Is the paper trying to analyze a permutation generation algorithm and prove that it is $\theta(n!)$?
Jul
18
answered Bounds on a recursively defined sequence
Jul
18
revised Sum of $k$-combination with repetitions
added 100 characters in body
Jul
17
revised Partition of graph with maximal score
edited tags
Jul
17
answered $k$-th number in $N \times M$ Table
Jul
17
answered Sum of $k$-combination with repetitions
Jul
16
awarded  Enlightened
Jul
16
awarded  Nice Answer
Jul
16
awarded  Custodian
Jul
15
revised Notation for the smallest number in a set?
more appropriate title.
Jul
15
comment Are all existence proofs by contradiction?
Short answer to the title: No.
Jul
15
revised geometric methods in number theory
edited tags
Jul
15
revised Notation for the smallest number in a set?
Delete unnecessary pseudo-code, tex, minor edits.
Jul
15
revised Find the maximum value of $xy^2z^3$ given that $x^2 + {y}^2 + {z}^2 = 1$, using AM-GM
deleted 32 characters in body; edited tags
Jul
13
comment A zero sum subset of a sum-full set
@NoamD.Elkies: Thank you!
Jul
12
comment $n^2-79n+1601$ always a prime?
Ah, never mind then :-)
Jul
12
comment $n^2-79n+1601$ always a prime?
Sorry, don't understand what you are trying to say.
Jul
12
revised $n^2-79n+1601$ always a prime?
edited tags