# A037793 (b-file synthesized from sequence entry)
1 3
2 14
3 57
4 228
5 915
6 3662
7 14649
8 58596
9 234387
10 937550
11 3750201
12 15000804
13 60003219
14 240012878
15 960051513
16 3840206052
17 15360824211
18 61443296846
19 245773187385
20 983092749540
21 3932370998163
22 15729483992654
23 62917935970617
24 251671743882468
25 1006686975529875
26 4026747902119502