# A056185 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 9 4 18 5 37 6 70 7 128 8 225 9 383 10 633 11 1019 12 1601 13 2461 14 3711 15 5494 16 8003 17 11484 18 16249 19 22698 20 31328 21 42762 22 57764 23 77274 24 102436 25 134634 26 175532 27 227123 28 291776 29 372300 30 472004