# A369157 (b-file synthesized from sequence entry)
0 1
1 5
2 35
3 285
4 2530
5 23750
6 231850
7 2329850
8 23940475
9 250394375
10 2656849375
11 28529354375
12 309445377750
13 3385369628750
14 37312228370000
15 413913023212500
16 4617886656665625
17 51781448191328125
18 583266654383859375
19 6596645477096428125
20 74881064169289121875