# A150534 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 25 4 110 5 462 6 2141 7 9556 8 45541 9 210423 10 1017684 11 4801563 12 23435336 13 112095191 14 550404475 15 2657813608 16 13104268115 17 63714592627 18 315077285841 19 1539826890331 20 7631392805453 21 37442437107747 22 185873645855999 23 914767473468282 24 4546966126158618 25 22432315967942143 26 111615010538402776