# A067913 (b-file synthesized from sequence entry)
1 1
2 28
3 30
4 52
5 231
6 277
7 523
8 2278
9 22749
10 48854
11 371305
12 1447522
13 1726931
14 1947729
15 3657998
16 6964377
17 14393316
18 101963994
19 237690542
20 487815056
21 1525407389
22 2636206007
23 14146907176
24 2348836787752
25 5367069498863
26 1710637374747486