# A083588 (b-file synthesized from sequence entry)
0 1
1 5
2 19
3 71
4 273
5 1081
6 4367
7 17835
8 73165
9 300317
10 1230795
11 5031439
12 20509577
13 83366913
14 337984903
15 1367085683
16 5518563909
17 22239268069
18 89495156291
19 359724017367
20 1444513666561
21 5796069718985
22 23241810818559
23 93150299455291