# A251707 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 1 4 0 5 0 6 1 7 2 8 4 9 8 10 15 11 30 12 60 13 119 14 236 15 468 16 928 17 1841 18 3652 19 7244 20 14369 21 28502 22 56536 23 112144 24 222447 25 441242 26 875240 27 1736111 28 3443720 29 6830904 30 13549664 31 26876881 32 53312520 33 105749800 34 209763489 35 416083258 36 825335612 37 1637121560 38 3247366239