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A196835 as a simple table

na(n)
01
14
215
351
4146
5273
6-319
7-6374
8-36235
9-113833
1069388
113772035
1228631669
13112704452
14-96418909
15-5652669753
16-50538496446
17-230554460867
18281597003109
1916303457144146
20166512491229617
21872578914956059
22-1111135578108284
23-78512971676777833
24-919653124088665479

[1,4,15,51,146,273,-319,-6374,-36235,-113833,
 69388,3772035,28631669,112704452,-96418909,
 -5652669753,-50538496446,-230554460867,
 281597003109,16303457144146,166512491229617,
 872578914956059,-1111135578108284,
 -78512971676777833,-919653124088665479]