# A165328 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 12
5 48
6 197
7 903
8 4298
9 20862
10 103049
11 518859
12 2647296
13 13651092
14 71039373
15 372693519
16 1968822294
17 10463661690
18 55909013009
19 300159426963
20 1618362990804
21 8759313066840
22 47574827600981
23 259215937709463