# A159225 (b-file synthesized from sequence entry)
2 7
3 24
4 53
5 135
6 265
7 621
8 1169
9 2649
10 4897
11 10929
12 20033
13 44385
14 81025
15 178881
16 325889
17 718209
18 1307137
19 2878209
20 5235713
21 11523585
22 20957185
23 46115841
24 83857409
25 184506369
26 335486977