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A318710 as a simple table

na(n)
01
1-1
21447
3-1559527
4366331136219
5-637231027521743
62629597771763437160249
7-9781318441276304057417323
85699253125605574587097648227233017
9-13391188869589008440145241321782451523
1033214021675956829606886933935672301973543264421

[1,-1,1447,-1559527,366331136219,-637231027521743,
 2629597771763437160249,-9781318441276304057417323,
 5699253125605574587097648227233017,
 -13391188869589008440145241321782451523,
 33214021675956829606886933935672301973543264421]