# A125433 (b-file synthesized from sequence entry)
0 1
1 21
2 259
3 2709
4 32627
5 401401
6 5043115
7 64108009
8 821245795
9 10571373945
10 136492942139
11 1765686281633
12 22868116742483
13 296391829451401
14 3843261172758763
15 49848967431027409
16 646678407486881219