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A007244 as a simple table

na(n)
-11
00
154
2-76
3-243
41188
5-1384
6-2916
711934
8-11580
9-21870
1079704
11-71022
12-123444
13421308
14-352544
15-581013
161885572
17-1510236
18-2388204
197469928
20-5777672
21-8852004
2226869968
23-20218587
24-30177684
2589408826

[1,0,54,-76,-243,1188,-1384,-2916,11934,-11580,
 -21870,79704,-71022,-123444,421308,-352544,
 -581013,1885572,-1510236,-2388204,7469928,
 -5777672,-8852004,26869968,-20218587,-30177684,
 89408826]