209088
domain: N
Appears in sequences
- a(n) = 121*12^(n-2), a(0)=1, a(1)=10.at n=5A056116
- Non-perfect powers k for which q = A051903(k)/A051904(k) is an integer, A051904(k) > 1.at n=27A093770
- a(n) = n^2 * (n+1)^3.at n=11A099762
- Numbers of the form (11^i)*(12^j), with i, j >= 0.at n=18A108218
- Number of 2-step self-avoiding walks on an n X n X n cube summed over all starting positions.at n=32A187163
- Triangle read by rows: T(n,k) = (n+1-k)*|s(n,n+1-k)| - 2*|s(n-1,n-k)|, where s(n,k) are the signed Stirling numbers of the first kind and 1 <= k <= n.at n=43A199221
- Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y<3z.at n=24A212508
- Conductor of the elliptic curve y^2 = x^3 + n.at n=21A356730
- Conductor of the elliptic curve y^2 = x^3 - n.at n=21A356731
- Triangle read by rows: T(n,k) = number of heapable permutations of length n with exactly k decreasing runs.at n=60A389255
- Triangle read by rows: T(n,k) = number of heapable permutations of length n with exactly k increasing runs.at n=60A389487