# A107509 (b-file synthesized from sequence entry)
0 1
1 364
2 25144
3 694148
4 10663408
5 108019548
6 800529576
7 4653612916
8 22293256160
9 91253937740
10 327997372696
11 1057173744228
12 3106163708368
13 8429329644092
14 21352366154632
15 50925972393044
16 115180565008320
17 248519671078700
18 514129323313144
19 1024176883702084