# A215569 (b-file synthesized from sequence entry)
0 0
1 14
2 49
3 791
4 4641
5 50358
6 365351
7 3417162
8 27107990
9 238878773
10 1967021021
11 16916594611
12 141471629572
13 1204545261843
14 10138247340452
15 85965295695706
16 725459810009753
17 6140921279372187
18 51879880394260905
19 438847479843913070
20 3709157858947113027