# A126521 (b-file synthesized from sequence entry)
0 1
1 26
2 214
3 1806
4 15374
5 131538
6 1128990
7 9710910
8 83652388
9 721363974
10 6225222156
11 53750847042
12 464278918952
13 4011329573242
14 34664086928592
15 299591386800116
16 2589524785835700
17 22384118655449566
18 193499832018326518