# A146734 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 9
10 19
11 33
12 65
13 207
14 775
15 3377
16 13307
17 53409
18 249201
19 1453605
20 9533963
21 70032903
22 523853865
23 4420682653