28832

Appears in sequences

• Number of points on surface of dodecahedron: a(n) = 30*n^2 + 2 for n > 0.at n=31A005903
• Table by antidiagonals of T(n,k) = 2*n*T(n,k-1) - n^2*T(n,k-2) + T(n,k-4) starting with T(n,1) = 1.at n=48A073135
• G.f. = continued fraction: A(x) = 1/(1-x-x^2/(1-x^3-x^4/(1-x^5-x^6/(1-x^7-x^8/(...))))).at n=19A088352
• Number of partitions of n such that the largest part and the smallest part are relatively prime.at n=38A117087
• n times the n-th n-gonal number.at n=16A117665
• Numbers k such that k and k^2 use only the digits 1, 2, 3, 4 and 8.at n=31A136971
• a(n) = 25*n^2 - 2*n.at n=33A154376
• Number of nXnXn triangular binary arrays with every 1 adjacent to at most 4 other 1s.at n=4A192413
• Number of evolutionary duplication-loss-histories of the complete binary species tree with 16 leaves.at n=2A307943
• Number of partitions of n with up to eight distinct kinds of 1.at n=23A320695
• E.g.f. A(x) satisfies A(x) = exp( 2 * x / (1 - x * A(x)^(1/2))^2 ).at n=5A372200