# A162377 (b-file synthesized from sequence entry)
0 1
1 30
2 464
3 4930
4 40454
5 273266
6 1581775
7 8064464
8 36943940
9 154385704
10 595514217
11 2140442150
12 7224301969
13 23043923160
14 69844600965
15 202081362622
16 560350431315
17 1494273031164
18 3843681391300
19 9562404542460
20 23062890166272