# A006687 (b-file synthesized from sequence entry)
1 241
2 5521
3 6481
4 51361
5 346561
6 380881
7 390001
8 1678321
9 4332721
10 4654801
11 5576881
12 12707521
13 39336721
14 41432641
15 42942001
16 99990001
17 167948881
18 184970641
19 197063761
20 205598881