297727domain: NPropertiesPrimalityPrimeyesAppears in sequencesCentral terms of the triangle in A119258.at n=7A119259Square array read by antidiagonals: T(n,k) = Sum_{j = 0..n*k} binomial(n+j-1,j)*2^j; n,k >= 0.at n=37A333560Prime numbersat n=25826