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A009314 as a simple table

na(n)
00
11
2-2
310
4-47
5303
6-2389
722622
8-249724
93150109
10-44706126
11705095994
12-12235794207
13231698450475
14-4754358750933
15105087911110062
16-2489277413102144
1762908278710542137
18-1689451592993832258
1948047639078438987082
20-1442565756163540276727

[0,1,-2,10,-47,303,-2389,22622,-249724,3150109,
 -44706126,705095994,-12235794207,231698450475,
 -4754358750933,105087911110062,-2489277413102144,
 62908278710542137,-1689451592993832258,
 48047639078438987082,-1442565756163540276727]