# A171373 (b-file synthesized from sequence entry)
0 1
1 6
2 16
3 36
4 76
5 152
6 292
7 552
8 1052
9 2052
10 4104
11 8344
12 17044
13 34664
14 69904
15 139808
16 278108
17 552268
18 1098148
19 2189908
20 4379816
21 8776356
22 17596496
23 35263836
24 70598516
25 141197032
26 282208592
27 563931612
28 1127077552
29 2253369432
30 4506738864
31 9015534644