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A224508 as a simple table

na(n)
00
11
22
31
47
50
623
7-9
878
9-59
10275
11-296
121003
13-1341
143758
15-5775
1614367
17-24176
1855727
19-99521
20218350
21-405459
22861467
23-1641144
243414627
25-6615125
2613576718
27-26592839
2854092743
29-106717824
30215810375
31-427778361
32861773838
33-1713488171
343443252963

[0,1,2,1,7,0,23,-9,78,-59,275,-296,1003,-1341,
 3758,-5775,14367,-24176,55727,-99521,218350,
 -405459,861467,-1641144,3414627,-6615125,13576718,
 -26592839,54092743,-106717824,215810375,
 -427778361,861773838,-1713488171,3443252963]