28220

Appears in sequences

• a(n) = dot_product(n,n-1,...2,1)*(5,6,...,n,1,2,3,4).at n=46A026060
• Number of binary [ n,5 ] codes of dimension <= 5 without zero columns.at n=13A034339
• Starting positions of strings of three 4's in the decimal expansion of Pi.at n=21A083615
• Integers k such that 10^k + 63 is a prime number.at n=24A135115
• a(n) = 16*n^2 - 4.at n=41A158443
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 237", based on the 5-celled von Neumann neighborhood.at n=33A270982
• Expansion of 1/(1 + 1/(1 - x) - Product_{k>=1} (1 + x^k)).at n=23A317536
• Number of integer partitions of 2n with exactly n distinct sums of nonempty submultisets.at n=39A365660