201207domain: NAppears in sequencesNumber of partitions of 5n such that cn(1,5) = cn(4,5) <= cn(0,5) = cn(2,5) = cn(3,5).at n=18A036889Number of nondecreasing integer sequences of length 18 with sum zero and sum of absolute values 2n.at n=18A158152Numbers k such that 455*2^k+1 is prime.at n=27A323197