# A012137 (b-file synthesized from sequence entry)
0 1
1 1
2 17
3 673
4 54305
5 7334273
6 1497501873
7 430436005665
8 165573876222529
9 82074493484054017
10 50922938856050558289
11 38644611846710150572193
12 35205379514991276523808353
13 37909794281251146499011279233