68034
domain: N
Appears in sequences
- Powers of fifth root of 22 rounded up.at n=18A018179
- Pascal-(1,6,1) array.at n=59A081581
- Pascal-(1,6,1) array.at n=61A081581
- Squarefree positive integers of the form u*v*(u^2-v^2) for some integer u,v.at n=32A147779
- The number of squarefree permutations of 1,...,n.at n=10A221989
- Lower Pythagorean twins.at n=27A228876
- G.f. A(x) satisfies: 1 = ...((((A(x) - 2*x)^2 - 4*x^2)^2 - 8*x^3)^2 - 16*x^4)^2 -... - 2^n*x^n)^2 -...., a series of infinite nested squares.at n=23A274850
- Expansion of 1/2 * Product_{i>=0, j>=0, k>=0} (1 + x^(i^2 + j^2 + k^2)).at n=25A321381
- Numbers k such that A360327(k) = A360327(k+1) > 1.at n=16A360358