28815
domain: N
Appears in sequences
- Terms of A050530 with four prime divisors.at n=15A053340
- Number of (w,x,y) with all terms in {0,...,n} and x != min(|w-x|, |x-y|).at n=30A213502
- Numbers M(n) which are the number of terms in the sums of consecutive cubed integers equaling a squared integer, b^3 + (b+1)^3 + ... + (b+M-1)^3 = c^2, for a first term b(n) being an odd squared integer (A016754).at n=14A253707
- a(n) = n*(67*n - 89)/2.at n=30A263227
- Coordination sequence for (2,4,6) tiling of hyperbolic plane.at n=29A265061
- Numbers n such that cototient(n) does not divide phi(n!).at n=3A291597
- Terms of A051488 that do not belong to A083207.at n=4A333232
- Number of distinct integers of the form (x^n + y^n) mod n^3.at n=50A366419