# A177168 (b-file synthesized from sequence entry)
0 1
1 6
2 10
3 54
4 226
5 1198
6 6186
7 34182
8 190962
9 1096286
10 6377338
11 37652278
12 224654146
13 1353562766
14 8220739274
15 50284009702
16 309467901842
17 1915015423678
18 11907759661850
19 74365628891286
20 466240095217378
21 2933473106737902