45625

Appears in sequences

• Numbers that are the sum of 2 nonzero squares in exactly 5 ways.at n=16A025288
• Numbers that are the sum of 2 distinct nonzero squares in exactly 5 ways.at n=12A025306
• Number of rooted trees with n nodes and 6 leaves.at n=9A055281
• Structured octagonal prism numbers.at n=24A100176
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,0 4,1 5,1 6,1 7,1 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155390
• Riordan array (f(x), x*f(x)) where f(x) is the g.f. of A064613.at n=38A171568
• a(n) = 73*n^2.at n=25A174334
• 4*(n + 7)^3 - 27*(n + 7)^2 = (4*n +1)*(n+7)^2.at n=18A245033
• Expansion of b(2)*b(4)*b(6)/(x^8-x^4-x+1), where b(k) = (1-x^k)/(1-x).at n=31A265055
• Numbers n such that A277118(n) = 15.at n=7A277512
• Numbers that are the sum of 2 squares in exactly 5 ways.at n=24A294716
• Number of (undirected) Hamiltonian cycles of the graph of the n-th Johnson solid.at n=37A343211
• Odd numbers m such that there exists no k for which the denominator of d(k)/k = m where d(k) is the number of divisors of k (A000005).at n=36A353320