30339
domain: N
Appears in sequences
- Triangle, T(n, k) = coefficients [x^k]( p(x, n) ), where p(x, n) = (1/2)*( (1+x)^n + 2^n*(1-x)^(n+1)*LerchPhi(x, -n, 1/2) ), read by rows.at n=30A147565
- Triangle, T(n, k) = coefficients [x^k]( p(x, n) ), where p(x, n) = (1/2)*( (1+x)^n + 2^n*(1-x)^(n+1)*LerchPhi(x, -n, 1/2) ), read by rows.at n=33A147565
- Triangular sequence defined by T(n, m) = Coefficients(q(x,n) + x^(n-2)*q(1/x,n))/4, where q(x, n) = d^2*p(x, n)/dx^2 and p(x, n) = 2^n*(1-x)^(n+1)*LerchPhi(x, -n, 1/2).at n=15A154706
- Triangular sequence defined by T(n, m) = Coefficients(q(x,n) + x^(n-2)*q(1/x,n))/4, where q(x, n) = d^2*p(x, n)/dx^2 and p(x, n) = 2^n*(1-x)^(n+1)*LerchPhi(x, -n, 1/2).at n=20A154706
- Eulerian numbers of type D, the primary type.at n=30A262226
- Eulerian numbers of type D, the complementary type.at n=33A262227
- Expansion of (1/x) * Series_Reversion( x / ((1+x) * (1+x^3)^2) ).at n=11A369442
- Number of integer compositions of n whose leaders of strictly decreasing runs are weakly decreasing.at n=23A374765