25460

Appears in sequences

• Numbers n such that 167*2^n-1 is prime.at n=27A050835
• a(n) = n*(n-1)*(n^2 + 2)/6.at n=20A071244
• Define p(alpha,2) to be the number of H-conjugacy classes where H is an infant subgroup ( similar to Young subgroups of S_n) of type alpha of the hyperoctahedral group B_n. Then a(n) = sum p(alpha,2) where |alpha| = n and alpha has at most n parts.at n=4A124578
• Number of strings of numbers x(i=1..6) in 0..n with sum i^3*x(i)^2 equal to 216*n^2.at n=43A184307
• Number of (n+1) X (5+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=9A250766
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 805", based on the 5-celled von Neumann neighborhood.at n=27A273604
• The number of partitions of n which represent Chomp positions with Sprague-Grundy value 8.at n=59A284781
• Sequences n*(n+1)*(6*n+1)/2 and n*(n+1)*(7*n+1)/2 interleaved.at n=38A296636