57186domain: NAppears in sequencesRow sums of triangle A049326.at n=6A049350Numbers k such that 5*3^k - 2 is prime.at n=28A058591a(n) = 2*n^4 - floor(2^(1/4)*n)^4.at n=21A257854Sums of two distinct odd fourth powers.at n=25A342832Sums of two odd fourth powers.at n=32A343588a(n) = n^4 * Sum_{p|n, p prime} 1/p^4.at n=44A351244