# A108905 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 51 5 114 6 136 7 149 8 1388 9 3654 10 3961 11 41614 12 2975365 13 4120126 14 5760908 15 11210809 16 21235067 17 43239302 18 156258546 19 230627452 20 595763433 21 4709180601 22 148918280487 23 841708059551 24 2895551449652 25 5660433533409 26 6575950336213