# A367974 (b-file synthesized from sequence entry) 1 1 2 25 3 1024 4 6272 5 1953125 6 4117715 7 15813251 8 213797679 9 346146025 10 488281250 11 714592137 12 1719341824 13 3676531250 14 10510100501 15 10852734375 16 11214315503 17 17241013443 18 25421511971