58173domain: NAppears in sequencesPartial sums of A000141.at n=22A175361Number of Fermat pseudoprimes to base 2 between 2^n and 2^(n+1) that are not Carmichael numbers.at n=41A252943Number of compositions (ordered partitions) of n into distinct parts where no part is a multiple of 3.at n=44A332309