# A116805 (b-file synthesized from sequence entry) 1 1 2 2 3 6 4 21 5 74 6 256 7 876 8 2987 9 10182 10 34726 11 118492 12 404441 13 1380670 14 4713644 15 16093028 16 54944551 17 187591798 18 640477650 19 2186726460 20 7465949877 21 25490345790 22 87029482456 23 297137237124 24 1014489982275 25 3463685453334