# A149117 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 9
4 32
5 101
6 347
7 1243
8 4498
9 16617
10 63167
11 240235
12 931568
13 3647803
14 14370312
15 57180711
16 229115778
17 922313297
18 3737973883
19 15221602137
20 62225061536
21 255556165925
22 1053396408250
23 4355324548631
24 18069755065816
25 75182656479519
26 313582517369107
27 1311433840151317
28 5497064374143140