70864domain: NAppears in sequencesPrincipal diagonal of the convolution array A213841.at n=23A213842Indices of primes in the tribonacci-like sequence, A214727.at n=14A234696Numbers k whose abundance is 128: sigma(k) - 2*k = 128.at n=6A292626G.f. A(x) satisfies A(x) = 1/(1 - x*A(x)/(1 - x^3)).at n=11A376574