# A090648 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 3 4 17 5 31 6 3 7 5461 8 257 9 657 10 6355 11 60787 12 12291 13 22369621 14 617093 15 149943 16 16843009 17 5726623061 18 71613 19 91625968981 20 162529435 21 4870483401 22 50991843607 23 499069107643 24 12129927891 25 34118178995231 26 5664905191661 27 45148868444817 28 165649641466501