# A346943 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 19
4 159
5 729
6 7407
7 48231
8 581535
9 4922325
10 68891175
11 718638075
12 11465661375
13 142257791025
14 2550046679775
15 36691916525775
16 730304613424575
17 11958031070311725
18 261722208861516375
19 4805774015579971875
20 114729101737416849375
21 2334996696935363855625