# A048860 (b-file synthesized from sequence entry)
1 1
2 3
3 7
4 17
5 31
6 109
7 253
8 97
9 271
10 1621
11 199
12 3961
13 1769
14 12013
15 16381
16 3169
17 24991
18 15877
19 180881
20 265201
21 2620801
22 26753
23 781219
24 14473441
25 693551
26 55689349
27 18294823