# A002223 (b-file synthesized from sequence entry) 1 7 2 23 3 71 4 311 5 479 6 1559 7 5711 8 10559 9 18191 10 31391 11 366791 12 366791 13 366791 14 4080359 15 12537719 16 30706079 17 36415991 18 82636319 19 120293879 20 120293879 21 131486759 22 131486759 23 2929911599 24 2929911599 25 7979490791 26 33857579279