235950

Appears in sequences

• a(n) = binomial(n+4,4)*binomial(n+6,4).at n=7A107395
• Enneagonal numbers whose sum of digits is also enneagonal.at n=32A117051
• Enneagonal numbers for which both the sum of the digits and the product of the digits are also enneagonal numbers.at n=12A117053
• Number of reduced words of length n in Coxeter group on 13 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.at n=5A162768
• G.f. A(x) satisfies: x = A(x) * (1 + A(x)) * (1 - 2*A(x)).at n=9A250886