25041

Appears in sequences

• a(n) = sum of squares of first n positive integers congruent to 1 mod 4.at n=16A024381
• Numbers k such that prime(k) + prime(k+1) + prime(k+2) is a square.at n=27A076305
• a(n) = a(n-1) + a(n-2) + a(n-4) with a(0) = 2, a(1) = 3, a(2) = 6, a(3) = 9.at n=17A095982
• Number of partitions of n with rank 3 (the rank of a partition is the largest part minus the number of parts).at n=56A101200
• Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,0 3,0 4,0 polyhexes in any orientation on a planar nXnXn triangular grid.at n=6A155258
• Triangle read by rows: T(n,k) is the number of unoriented colorings of the edges of a regular n-dimensional simplex using exactly k colors. Row n has (n+1)*n/2 columns.at n=22A327088
• Number of partitions of n with rank a multiple of 3.at n=43A328988
• E.g.f. A(x) satisfies A(x) = exp(x / (1 + x*A(x))^2) * (1 + x*A(x))^2.at n=5A380774