45148domain: NAppears in sequencesFibonacci sequence beginning 4, 15.at n=18A022133Coefficient of x^n in product (1+x)*Product_{j>=1} (1 + prime(j)*x^j).at n=15A147544Number of partitions p of n such that the number of distinct parts is not a part and max(p) - min(p) is not a part.at n=45A241390