# A037674 (b-file synthesized from sequence entry)
1 1
2 4
3 18
4 75
5 301
6 1204
7 4818
8 19275
9 77101
10 308404
11 1233618
12 4934475
13 19737901
14 78951604
15 315806418
16 1263225675
17 5052902701
18 20211610804
19 80846443218
20 323385772875
21 1293543091501
22 5174172366004
23 20696689464018
24 82786757856075