# A097829 (b-file synthesized from sequence entry)
0 1
1 16
2 240
3 3585
4 53536
5 799456
6 11938305
7 178275120
8 2662188496
9 39754552321
10 593656096320
11 8865086892480
12 132382647290881
13 1976874622470736
14 29520736689770160
15 440834175724081665
16 6582991899171454816