# A122725 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 169
4 5625
5 292681
6 21930489
7 2236627849
8 297935847225
9 50229268482121
10 10454564139438969
11 2632936466960600329
12 789136169944454084025
13 277579719258755165321161
14 113238180214596650771616249
15 53030348046942317338336489609
16 28256184698070300360908567636025