30148
domain: N
Appears in sequences
- An inverse Chebyshev transform of (1-x)/(1-2x).at n=12A100098
- a(n) = Sum_{k=0..n} binomial(n, floor(k/2))*(-2)^(n-k).at n=12A127361
- Number of zig-zag paths from top to bottom of a rectangle of width 12 with n rows.at n=12A153361
- Antidiagonal sums of A147995 and A163545.at n=33A163484
- Triangle T(n,k) with the coefficient [x^k] of 1/(1-2*x-x^2+x^3)^(n-k+1) in row n, column k.at n=62A188106