1051648domain: NAppears in sequencesNumbers that are the sum of 4 nonzero 10th powers.at n=18A004804Number of strings of length n over GF(4) with trace 0 and subtrace 0.at n=11A073995Number of set partitions of [n] such that the difference between each element and its index (in the partition) is a multiple of nine.at n=21A274866