184874815125
domain: N
Appears in sequences
- Quartic (or 4-fold) factorial numbers: a(n) = Product_{k = 0..n-1} (4*k + 1).at n=10A007696
- Triangle of numbers obtained from the partition array A134274.at n=45A134275
- a(n) = (2*n - 1) * a(n-2) for n>1, a(0) = a(1) = 1.at n=19A235136
- Triangle read by rows: T(n, k) is the Sheffer triangle ((1 - 4*x)^(-1/4), (-1/4)*log(1 - 4*x)). A generalized Stirling1 triangle.at n=55A290319