# A087405 (b-file synthesized from sequence entry)
0 2
1 2
2 22
3 98
4 502
5 2498
6 12502
7 62498
8 312502
9 1562498
10 7812502
11 39062498
12 195312502
13 976562498
14 4882812502
15 24414062498
16 122070312502
17 610351562498
18 3051757812502
19 15258789062498
20 76293945312502
21 381469726562498