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Nov
13
reviewed Close Prove Perfect square of the form 4k or 4k+1
Nov
12
reviewed Looks OK Is there a way to find sum of numbers to a certain power?
Nov
12
reviewed Looks OK Calc 2 Limit Comparison Test
Nov
9
comment Squares with squares
Not only does this not answer the question, but it's not even clear what question it's attempting to answer. You appear to have your own idea of what numbers "of that kind" are, but you haven't defined it, and it's certainly not clear to me why you disqualify e.g. $38^2 = 1444 = 12^2 \times 10 + 2^2$
Nov
9
comment Squares with squares
Fair enough. Updated.
Nov
9
revised Squares with squares
added 144 characters in body
Nov
9
answered Squares with squares
Nov
8
revised Sign table in $2^k$ factorial experiment
added 505 characters in body
Nov
7
revised Sign table in $2^k$ factorial experiment
added 520 characters in body
Nov
7
comment Sign table in $2^k$ factorial experiment
Ok, which specific part do you have trouble generalising to the four-factor case?
Nov
7
answered Sign table in $2^k$ factorial experiment
Oct
31
comment Extended Euclidean Algorithm to find multiplicative inverse of two polynomials
If a polynomial has no remainder when divided by 1, it has no remainder when divided by 2, and vice versa.
Oct
31
answered Extended Euclidean Algorithm to find multiplicative inverse of two polynomials
Oct
30
comment How many subsets xor to given value?
@user128409235, that's awfully specific. Is this for a programming contest or something similar?
Oct
13
comment A nice form of a given function
@Halbort, I think $\max \{a_i - (a_i \oplus k)\}$ is as simple as it's likely to get.
Oct
1
comment A nice form of a given function
Is that clearer?
Oct
1
revised A nice form of a given function
Expanding last point: MathJax preview is broken, so hope this renders ok
Sep
30
answered A nice form of a given function
Sep
30
revised Equating summations of an integer partition and its conjugate
Fix MathJax
Sep
30
answered Equating summations of an integer partition and its conjugate