# A118425 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 1 4 4 5 12 6 30 7 68 8 144 9 291 10 568 11 1080 12 2012 13 3688 14 6672 15 11941 16 21180 17 37284 18 65210 19 113420 20 196320 21 338375 22 581040 23 994416 24 1696824 25 2887632 26 4902240 27 8304073 28 14038324 29 23688636 30 39905238 31 67118420 32 112726512 33 189072363