64014domain: NAppears in sequencesNumbers k such that (4*10^k + 197)/3 is prime.at n=24A283447a(n) = (5/128)*n^4*(n mod 2) + (((-5/128)*n^4*(n mod 2) - 26) mod n) + n^3 (n > 0).at n=39A294264a(n) is the coefficient of x^n*y^n in Product_{n>=1} 1/(1 - x^(2*n-1) - y^(2*n-1)).at n=9A322198