81057

Appears in sequences

• Rolling icosahedron face footprints: number of n X 3 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal, diagonal or antidiagonal neighbor moves across an icosahedral edge.at n=4A223277
• T(n,k)=Rolling icosahedron face footprints: number of nXk 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal, diagonal or antidiagonal neighbor moves across an icosahedral edge.at n=25A223282
• Rolling icosahedron face footprints: number of 5Xn 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal, diagonal or antidiagonal neighbor moves across an icosahedral edge.at n=2A223286
• Sum of squares of cycle lengths for different cycles in Fibonacci-like sequences modulo n.at n=34A233246
• Expansion of exp( Sum_{n>=1} sigma(8*n)*x^n/n ) in powers of x.at n=6A283120