# A150661 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 28 4 122 5 555 6 2588 7 12277 8 58913 9 285117 10 1388522 11 6794467 12 33370370 13 164371665 14 811518081 15 4014028257 16 19884948419 17 98631030741 18 489728806588 19 2433756380645 20 12103713123846 21 60232647664468 22 299900743554687 23 1493904068893024 24 7444581364893104 25 37111414613600947 26 185056883908261473