# A107723 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 114
4 1446
5 22722
6 424302
7 9168162
8 224961774
9 6180211842
10 187977996366
11 6272676296034
12 227890380810606
13 8955881754461250
14 378593286191735694
15 17131977268344445218
16 826338384025220612526
17 42323768184940929568770