# A233372 (b-file synthesized from sequence entry)
1 28
2 117
3 444
4 1588
5 5387
6 17645
7 56425
8 177289
9 549976
10 1690006
11 5158577
12 15668130
13 47422454
14 143161949
15 431407408
16 1298283373
17 3903506520
18 11728583997
19 35224065039
20 105750970102