# A165396 (b-file synthesized from sequence entry)
2 5
3 68
4 1012
5 6412
6 37784
7 196082
8 927564
9 4084752
10 17038624
11 68071813
12 262504506
13 982898538
14 3589650686
15 12832470099
16 45031577790
17 155480658676
18 529194130242
19 1778374522003
20 5908578890738
21 19430770840182