# A377803 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 51
4 798
5 16914
6 453294
7 14704542
8 560274336
9 24529661568
10 1213557885720
11 66956662956600
12 4076440417367856
13 271472012197547472
14 19631093304600307152
15 1531919987372848152240
16 128314172533501646058240
17 11482569303348317402868480
18 1093343670892117401737893632