# A247172 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 3
4 9
5 29
6 97
7 335
8 1185
9 4273
10 15649
11 58051
12 217673
13 823709
14 3141697
15 12065087
16 46613121
17 181049025
18 706549185
19 2769069091
20 10894034633
21 43008192637
22 170327978401
23 676511841743
24 2694115428769
25 10755172567089
26 43032673671137
27 172538997381155