10546875

Appears in sequences

• 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 or antidiagonal neighbor moves across an icosahedral edge.at n=32A223480
• 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 or antidiagonal neighbor moves across an icosahedral edge.at n=3A223483
• Number of set partitions of [n] such that i-j is a multiple of eight for all i,j belonging to the same block.at n=27A275075
• Arithmetic derivative of the prime-factorization representation of the n-th Stern polynomial: a(n) = A003415(A260443(n)).at n=37A278544
• Hypotenuses for which there exist exactly 8 distinct integer triangles.at n=18A290499
• Triangle read by rows: T(n,k) = number of parking functions of length n whose lead number is k.at n=40A298592