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A156651 as a simple table

na(n)
01
1-2
2-65
3227
425285
5-151321
6-24851645
7208985867
845675130345
9-494053998001
10-134944451180825
111784108230326707
12584753480627757805
13-9136756258815374281
14-3493729771694615374805
1562987838852907115030747
1627526170759461264661539665

[1,-2,-65,227,25285,-151321,-24851645,208985867,
 45675130345,-494053998001,-134944451180825,
 1784108230326707,584753480627757805,
 -9136756258815374281,-3493729771694615374805,
 62987838852907115030747,
 27526170759461264661539665]