# A025978 (b-file synthesized from sequence entry)
0 1
1 25
2 415
3 5805
4 74271
5 902325
6 10616455
7 122340685
8 1390355791
9 15651303525
10 175025553495
11 1948179192765
12 21613189505311
13 239210965847125
14 2643048211482535
15 29167353171072045
16 321591476229774831