# A100866 (b-file synthesized from sequence entry) 1 1 2 3 3 5 4 7 5 9 6 15 7 21 8 35 9 71 10 143 11 291 12 635 13 1407 14 2979 15 6101 16 12339 17 25019 18 50413 19 101339 20 202793 21 405745 22 811365 23 1624043 24 3249293 25 6502711 26 13011309