# A097787 (b-file synthesized from sequence entry)
0 1
1 8
2 39
3 152
4 526
5 1704
6 5322
7 16296
8 49383
9 148864
10 447593
11 1344144
12 4034252
13 12105136
14 36318468
15 108959280
16 326882685
17 980654040
18 2941969435
19 8825917160
20 26477762106
21 79433298968
22 238299911854
23 714899753112
24 2144699279811