# A308148 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 14 5 26 6 48 7 88 8 160 9 292 10 532 11 966 12 1756 13 3194 14 5810 15 10552 16 19182 17 34868 18 63376 19 115172 20 209316 21 380422 22 691384 23 1256538 24 2283666 25 4150402 26 7542974 27 13708740