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A213154 as a simple table

na(n)
01
1-9
2-9
31611
46471
5-1148589
6-9872289
71732196331
825810293591
9-4461906502269
10-102948316013169
1117472999720383451
12581452715402943111
13-96525920129033025549
14-4413961128482041139649

[1,-9,-9,1611,6471,-1148589,-9872289,1732196331,
 25810293591,-4461906502269,-102948316013169,
 17472999720383451,581452715402943111,
 -96525920129033025549,-4413961128482041139649]