login

A249276 as a simple table

na(n)
0-1
11
21
31
473
511
63625
75525
85233001
91212281
10927777937
11772193
1243791735453787
136889178449747
14158996102434867
15107876982981287
16782501215247703271
176225541612992329
18235541803917995571502409

[-1,1,1,1,73,11,3625,5525,5233001,1212281,
 927777937,772193,43791735453787,6889178449747,
 158996102434867,107876982981287,
 782501215247703271,6225541612992329,
 235541803917995571502409]