# A003822 (b-file synthesized from sequence entry)
3 10
4 42
5 167
6 662
7 2670
8 10846
9 44199
10 180438
11 737762
12 3021000
13 12387990
14 50864885
15 209095841
16 860447494
17 3544046278
18 14608974346
19 60261567146
20 248726602105
21 1027143932653
22 4243640251368
23 17539577253151
24 72518982292559
25 299928724501455