# A377735 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 103
4 829
5 7261
6 66595
7 598627
8 5377849
9 48426745
10 435876607
11 3922582687
12 35303534581
13 317733991381
14 2859598948507
15 25736384863003
16 231627537879409
17 2084647743751921
18 18761829221081335
19 168856464809568727
20 1519708183900618669
21 13677373637498037325