102726

Appears in sequences

• 4-dimensional analog of centered polygonal numbers.at n=25A006322
• Triangle read by rows: T(n,k) is the number of permutations p of {1,2,...,n} such that the set {p(i)-i, i=1,2,...,n} has exactly k elements (1<=k<=n).at n=41A125182
• Number of binary words of length n containing at least one subword 1001 and no subwords 10^{i}1 with i<2.at n=30A143282
• Expansion of Product_{k>=1} 1/(1 - x^k/(1 - x^(2*k))).at n=23A309733
• Number of oriented colorings of the 8 cubic facets of a tesseract or of the 8 vertices of a hyperoctahedron.at n=7A337956