-2652

Appears in sequences

• a(n) = (2^n/n!) * Product_{k=0..n-1} (4*k - 3).at n=6A004983
• Staircase of coefficients of polynomials used for column g.f.s of triangle A060924.at n=30A061187
• Series reversion of y + y^2 + y^3.at n=12A103779
• Irregular triangle read by rows: T(n, k) = coefficients of f(n, x), where f(n, x) = (1-x)^(2*n+2) * Sum_{k >=0} (k^n * x^k).at n=48A141581
• a(n) = A173557(n) * A345001(n).at n=52A345049