124375
domain: N
Appears in sequences
- Row sums of convolution triangle A030523.at n=9A039717
- Numbers k such that 139*2^k-1 is prime.at n=47A050595
- Binomial transform of A010054 (characteristic function of triangular numbers).at n=19A143961
- Expansion of (1+x)*(1+2*x)*(1-x)/(1-5*x^2+5*x^4).at n=18A217777
- a(n) = Sum_{k >= 0}(-1)^k*binomial(n,5*k+1).at n=20A289321