# A335498 (b-file synthesized from sequence entry)
0 1
1 7
2 25
3 873
4 1375
5 41875
6 903123
7 1015623
8 49671873
9 200921875
10 1157734375
11 41898828123
12 496308203125
13 10506958984375
14 7739037109375
15 382999267578123
16 17016876976778523
17 46804302197265625
18 80713609326109375