# A115692 (b-file synthesized from sequence entry)
1 1
2 10
3 630
4 16290
5 52650
6 165600
7 986310
8 3428271
9 9446031
10 9485190
11 10693000
12 23698170
13 52168005
14 1270004401
15 2597150556
16 3484079550
17 14214075921
18 140884670790
19 217958758920
20 238847271435
21 403146774891