# A175699 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 16 5 25 6 1296 7 49 8 262144 9 6561 10 1000000 11 14641 12 61917364224 13 28561 14 56693912375296 15 11390625 16 4294967296 17 6975757441 18 121439531096594251776 19 47045881