# A154598 (b-file synthesized from sequence entry)
2 5
3 19
4 89
5 271
6 1889
7 10529
8 75329
9 157951
10 3885569
11 11350529
12 98690561
13 65071999
14 652963841
15 6548416001
16 253401579521
17 160283668481
18 1851643543553
19 3450998226943
20 23114453401601
21 1194899749142527
22 1101483715526657
23 7093521158963201