# A298472 (b-file synthesized from sequence entry) 1 21 2 36 3 56 4 253 5 496 6 561 7 1771 8 2926 9 3655 10 5985 11 26335 12 2895621 13 2919736 14 6471003 15 21474181 16 48792381 17 346700278 18 402073903 19 1260501229261 20 12864662659597529