129789

Appears in sequences

• Coefficients of power series for (1 - (1-8*x)^(1/4))/2.at n=7A048779
• Numerator of Sum_{k=0..n} 2^(k-2*n) * binomial(2*n-2*k,n-k) * binomial(n+k,n).at n=7A067002
• Triangle T(n,m) = coefficient of x^n in expansion of (1/2-1/2*(1-8*x)^1/4)^m = sum(n>=m, T(n,m) x^n), n>=1, m>=1.at n=28A202039
• The Wiener index of the meta-polyphenyl chain with n hexagons (see the Dou et al. and the Deng references).at n=18A216110
• Triangle T(n,k), read by rows, giving the numerator of the coefficient of x^k in the Boros-Moll polynomial P_n(x) for n >= 0 and 0 <= k <=n.at n=28A223549
• Numbers k such that (47*10^k - 119)/9 is prime.at n=22A291868
• a(n) is the number of 2 X 2 matrices with elements 1..n where at least one row, at least one column and at least one of the two diagonals is strictly increasing.at n=23A391092