315523
domain: N
Appears in sequences
- Generalized Euler numbers.at n=4A002115
- Numbers k such that 31*2^k-1 is prime.at n=41A050541
- E.g.f.: (3+2*sqrt(3)*exp(x/2)*sin(sqrt(3)*x/2))/(exp(-x)+2*exp(x/2)*cos(sqrt(3)*x/2)).at n=12A178963
- Generalized Euler numbers. Square array A(n,k), n >= 1, k >= 0, read by antidiagonals. A(n,k) = n-alternating permutations of length n*k.at n=25A181985
- n-alternating permutations of length 4n.at n=2A181991
- Square array read by ascending antidiagonals: number of m-shape Euler numbers.at n=32A260877
- Triangle read by rows, coefficients of generalized Eulerian polynomials F_{3;n}(x).at n=10A292605
- Generalized Worpitzky numbers W_{m}(n,k) for m = 3, n >= 0 and 0 <= k <= n, triangle read by rows.at n=10A318260
- A(n, k) = (m*k)! [x^k] MittagLefflerE(m, x)^(-n), for m = 3, n >= 0, k >= 0; square array read by descending antidiagonals.at n=16A326475