# A027227 (b-file synthesized from sequence entry)
0 1
1 3
2 10
3 25
4 71
5 166
6 444
7 1002
8 2601
9 5742
10 14653
11 31864
12 80472
13 173077
14 434243
15 926144
16 2313939
17 4902478
18 12216163
19 25743143
20 64042535
21 134356858
22 333927795
23 697932219
24 1733779702
25 3612110059
26 8971527052
27 18639230426