52624

Appears in sequences

• Coefficient of x^8 in expansion of (1+x+x^2)^n.at n=9A005716
• Form array in which n-th row is obtained by expanding (1+x+x^2)^n and taking the 5th column from the center.at n=8A098470
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+569)^2 = y^2.at n=8A101152
• First row of Modified Schroeder numbers for q=9 (A114295).at n=14A114299
• Cubeful numbers whose neighbors are also cubeful.at n=22A122692
• G.f.: x^2 * f''(x), where f(x) = Product_{k>=1} (1 + x^k).at n=23A278407
• Irregular triangle read by rows: T(n,m) = number of lattice paths of type A^H terminating at point (n, m).at n=47A291081
• a(n) is the sum of all products of pairs of numbers joined by the diagonals of an n-gon when its vertices are numbered from 1 to n in order.at n=25A337130
• Maximum number of copies of a 12345 permutation pattern in an alternating (or zig-zag) permutation of length n + 7.at n=19A339355