115566

Appears in sequences

• Number of vertices of the n-th multiplihedron.at n=10A121988
• Expansion of c(x)*c(x*c(x)) where c(x) is the g.f. of A000108.at n=9A129442
• Numbers k such that k and k^2 use only the digits 0, 1, 3, 5 and 6.at n=43A136843
• One fourth of third column (m=2) of triangle A142963.at n=7A142965
• a(n) = 100*n^2 - n.at n=33A157659
• a(n) = 400*n^2 - 2*n.at n=16A158316
• a(n) = 1156*n^2 - 34.at n=9A158729
• Square array of coefficients in the successive iterations of x*C(x) = (1-sqrt(1-4*x))/2 where C(x) is the g.f. of the Catalan numbers (A000108); read by antidiagonals.at n=64A158825