53222

Appears in sequences

• a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-1)*a(1) for n >= 5, with initial values 1,-1,1,1.at n=25A025278
• Maximal coefficient of Product_{k<=n} (1 + x^k). Number of solutions to +- 1 +- 2 +- 3 +- ... +- n = 0 or 1.at n=22A025591
• Largest coefficient in expansion of Product_{i=1..n} (1 + (-q)^i).at n=21A039828
• a(n) = 2*n * Stirling2(n-1,2).at n=13A052749
• Number of solutions to +- 1 +- 2 +- 3 +- ... +- n = 1.at n=22A063866
• Largest number without decimal digits equal to 1 whose product of digits gives n!.at n=3A068183
• Number of ways of partitioning the set {1...n} into two subsets whose sums are as nearly equal as possible.at n=21A069918
• Number of nondecreasing integer sequences of length 25 with sum zero and sum of absolute values 2n.at n=15A158159
• Indices of the start of 10 successive distinct digits in the decimal expansion of Pi.at n=20A258157
• Number of n-celled polyominoes which are of rectangular but not square type.at n=11A259087
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 246", based on the 5-celled von Neumann neighborhood.at n=31A287135
• Numbers k such that A(k+1) = A(k) + 3, where A() = A005100() are the deficient numbers.at n=15A317046
• Triangle read by rows. Denominators of the coefficients of a sequence of rational polynomials r_n(x) with r_n(1) = B(2*n), where B(n) are the Bernoulli numbers.at n=22A356653