-2051
domain: Z
Appears in sequences
- Expansion of (1-x^2)/(1-3x+x^2+3x^3+x^4).at n=10A101498
- Inverse binomial transform of A070366.at n=12A146321
- a(0)=1. a(n)= -2^(n-1)-3*(-1)^n, n>1.at n=12A156067
- Inverse binomial transform of A153130.at n=12A158916
- Values of n such that L(3) and N(3) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=47A226923