2571031domain: NPropertiesPrimalityPrimeyesAppears in sequencesMatrix inverse of triangle A136590.at n=38A136595Column 2 of triangle A136595.at n=6A136596Define a pair of sequences c_n, d_n by c_0=0, d_0=1 and thereafter c_n = c_{n-1}+d_{n-1}, d_n = c_{n-1}+4*n+2; sequence here is c_n.at n=26A192751Prime numbersat n=187891