48080

Appears in sequences

• Indices of primes in sequence defined by A(0) = 71, A(n) = 10*A(n-1) + 81 for n > 0.at n=22A101154
• Row sums of triangle A202917.at n=17A203269
• G.f.: Product_{k>=1} (1+x^k)^(3*k+1).at n=11A255836
• Number of rectangular plane partitions of n with strictly decreasing rows and columns.at n=50A323430
• Number of integer partitions of n of which every permutation has a consecutive monotone triple, i.e., a triple (..., x, y, z, ...) such that either x <= y <= z or x >= y >= z.at n=49A344654
• Number of integer partitions of n without an alternating permutation.at n=49A345165
• a(n) = Sum_{k=1..n} k^2 * floor(n/k)^2.at n=40A350123