27747

Appears in sequences

• Denominators of continued fraction convergents to sqrt(514).at n=8A041983
• Thickened pyramidal numbers: a(n) = 2*(n+1)*n + Sum_{i=1..n} (4*i*(i-1) + 1).at n=27A050533
• Number of ways of numbering the faces of a cube with nonnegative integers so that the sum of the 6 numbers is n.at n=35A054473
• Number of periodic palindromic structures using a maximum of four different symbols.at n=18A056505
• Number of rooted trees with total weight n, where the weight of a node at height k is k (with the root considered to be at level 1).at n=54A117357
• Number of essentially different semi-magic squares of order 3 with semimagic sum n.at n=34A122751
• Coefficients in q-expansion of (E_2^3 - E_2*E_4)/288, where E_2 and E_4 are the Eisenstein series shown in A006352 and A004009, respectively.at n=9A282020