# A027173 (b-file synthesized from sequence entry)
1 5
2 30
3 123
4 472
5 1790
6 6794
7 25879
8 98952
9 379674
10 1461248
11 5638930
12 21811540
13 84542016
14 328287506
15 1276868111
16 4973645576
17 19398954626
18 75753497816
19 296142817406
20 1158865623236
21 4539024407576
22 17793358627976
23 69805770185498