105411381075
domain: N
Appears in sequences
- a(n) = (2*n + 3)!!/3 = A001147(n+2)/3.at n=10A051577
- Second Eulerian transform of 1, 2, 3, 4, 5, ... (A000027).at n=11A102147
- Numerators of rationals r(n) related to the z-sequence of the Sheffer matrix A060821 for Hermite polynomials.at n=11A130187
- Smallest odd number with same number of divisors as 3*a(n-1).at n=27A140864
- Least number k such that (sum of anti-divisors of k)/k >= n.at n=3A214443
- Column 1 of the triangular array at A249057.at n=20A249060
- Number of permutations of [n] having exactly ten nontrivial cycles.at n=1A289958
- Triangle read by rows, T(n, k) = 4^k * Gamma(n + k + 1/2) / Gamma(n - k + 1/2).at n=33A362847