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A335982 as a simple table

na(n)
01
15
221
369
4149
569
6-619
7-187
89365
9-3515
10-193643
11453957
124704917
13-29425595
14-83918443
151640246085
16-3184430955
17-74516517307
18604223657877
191324972362053
20-52526078298475
21264984579390533
222477371363954069
23-44206576595187899
24133280843118435477

[1,5,21,69,149,69,-619,-187,9365,-3515,-193643,
 453957,4704917,-29425595,-83918443,1640246085,
 -3184430955,-74516517307,604223657877,
 1324972362053,-52526078298475,264984579390533,
 2477371363954069,-44206576595187899,
 133280843118435477]