87331domain: NAppears in sequencesBisection (odd part) of number of partitions that do not contain 1 as a part A002865.at n=28A182747Number of compositions of n having exactly four fixed points.at n=16A240739First differences of 1/p(n), reciprocal of the number p(n) of unrestricted partitions of n (negated numerator).at n=56A272339