# A157493 (b-file synthesized from sequence entry) 1 4 2 21 3 76 4 218 5 568 6 1295 7 2688 8 5108 9 9084 10 15457 11 25188 12 39646 13 60512 14 89635 15 129224 16 182088 17 251708 18 341805 19 456868 20 601938 21 782344 22 1004327 23 1274776 24 1601612 25 1994244 26 2462873 27 3018108 28 3671398 29 4434624 30 5320555 31 6345320