51068
domain: N
Appears in sequences
- Number of solutions to c(1)*prime(1) + ... + c(n)*prime(n) = 2, where c(i) = +-1 for i > 1, c(1) = 1.at n=24A022896
- Number of 4-step one space at a time bishop's tours on an n X n board summed over all starting positions.at n=39A187157
- Number of n X 4 0..1 arrays with every one equal to some NW, E or S neighbor.at n=4A202902
- Number of nX5 0..1 arrays with every one equal to some NW, E or S neighbor.at n=3A202903
- T(n,k) = Number of n X k 0..1 arrays with every one equal to some NW, E or S neighbor.at n=31A202906
- T(n,k) = Number of n X k 0..1 arrays with every one equal to some NW, E or S neighbor.at n=32A202906
- Numbers n such that n^2 + 1 is divisible by a 5th power.at n=32A218564
- Number of self-conjugate solutions of X + Y = 2Z (integer, disjoint triples from {1,2,3,...,3n}).at n=12A282616
- Expansion of ((1 + 4*x)/(1 - 4*x))^(1/4).at n=10A303537