23502

Appears in sequences

• Number of fixed 3-dimensional polycubes with n cells; lattice animals in the simple cubic lattice (6 nearest neighbors), face-connected cubes.at n=6A001931
• Convolution of natural numbers >= 2 and the partition numbers (A000041).at n=22A082775
• Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 5.at n=47A136882
• G.f.: Product_{n>=1} [ (1 - x^n) / (1 - (n+1)^n*x^n) ]^(1/n).at n=6A205811
• Number of partitions of n in which any two parts differ by at most 9.at n=42A218511
• Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape Z; triangle T(n,k), n>=0, read by rows.at n=11A247713
• Number of tilings of a 5 X n rectangle using n pentominoes of any but the Z shape.at n=6A247777
• Partial sums of A299266.at n=31A299267
• Sum of the smallest parts of the partitions of n into 9 parts.at n=51A326465
• G.f. A(x) satisfies: A(x) = Sum_{n>=0} x^n*A(x)^n/(1 - x^2*A(x)^(n+1)).at n=9A340334
• Square array read by descending antidiagonals: A(n,k) is the number of fixed n-dimensional polyominoes of size k.at n=38A385291