49437domain: NAppears in sequencesA Fielder sequence.at n=16A001645Expansion of 1/((1-x)(1-3x)(1-8x)(1-10x)).at n=4A021644a(n) = Sum_{i=0..n} digsum_9(i)^4, where digsum_9(i) = A053830(i).at n=26A231687a(n) = Sum_{i=0..n} digsum(i)^4, where digsum(i) = A007953(i).at n=26A231689