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A012154 as a simple table

na(n)
01
1-1
2-11
3-253
4-9015
5-362009
62294909
77143505067
82709263596817
9958529947538255
10359564035447469189
11146418020203030157779
1264393370639942123229401
1329924760789755403918019639

[1,-1,-11,-253,-9015,-362009,2294909,7143505067,
 2709263596817,958529947538255,359564035447469189,
 146418020203030157779,64393370639942123229401,
 29924760789755403918019639]