# A022497 (b-file synthesized from sequence entry) 0 2 1 7 2 24 3 59 4 135 5 276 6 531 7 955 8 1656 9 2740 10 4401 11 6855 12 10421 13 15466 14 22536 15 32207 16 45320 17 62814 18 85916 19 116023 20 154977 21 204759 22 267964 23 347472 24 446809 25 569937 26 721743 27 907503 28 1133712 29 1407519 30 1737335