# A027323 (b-file synthesized from sequence entry)
1 1
2 5
3 38
4 281
5 2116
6 16222
7 126244
8 994860
9 7923456
10 63679869
11 515810606
12 4206733157
13 34515110876
14 284699216035
15 2359535370142
16 19638957026491
17 164089666469232
18 1375812276097887
19 11572233529290882
20 97619679434165691
21 825688568949199356
22 7001040129052461912