# A308706 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 1 8 2 9 7 10 12 11 31 12 58 13 126 14 233 15 484 16 904 17 1800 18 3395 19 6643 20 12612 21 24457 22 46655 23 90157 24 172750 25 333498 26 641214 27 1238664 28 2388618 29 4620006 30 8931536 31 17302033 32 33521792 33 65042495 34 126257160 35 245361171 36 477087772 37 928510506 38 1808145395 39 3523813566