# A094957 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 10
5 30
6 101
7 370
8 1459
9 6161
10 27741
11 132621
12 670444
13 3571013
14 19975956
15 117026702
16 716199026
17 4568532550
18 30313253547
19 208834580360
20 1491280419431
21 11021454603693
22 84184429969735
23 663707628683503