# A135014 (b-file synthesized from sequence entry)
1 2
2 6
3 342
4 8372
5 15006
6 32942
7 45156
8 170982
9 369056
10 3008490
11 3954132
12 644931420
13 2009953056
14 12824996256
15 688604539866900
16 11580326725041402
17 26067179544075560
18 94815133778597582
19 502907499251402082
20 3337168950979864272
21 7864766939956291580