# A007164 (b-file synthesized from sequence entry)
1 1
2 2
3 7
4 31
5 167
6 999
7 6495
8 44619
9 319463
10 2356406
11 17775821
12 136405506
13 1060866006
14 8339982193
15 66147792753
16 528559162227
17 4250413757583
18 34368723106860
19 279254390054538
20 2278795583070154
21 18667432144042678
22 153452484745198722