# A007541 (b-file synthesized from sequence entry) 1 1 2 7 3 15 4 292 5 436 6 20776 7 78629 8 179136 9 528210 10 12996958 11 878783625 12 5408240597 13 5916686112 14 9448623833 15 9787547328 16 52662113289