# A324579 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 6 5 8 6 16 7 30 8 36 9 40 10 72 11 210 12 240 13 252 14 256 15 2310 16 2520 17 2560 18 2592 19 2808 20 5184 21 30030 22 32832 23 510510 24 573300 25 9699690 26 223092870 27 232792560