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A132165 as a simple table

na(n)
11
26
336
4174
5-174
6-26076
7-596616
8-10334556
9-143486244
10-1157102136
1119891298736
121443409042536
1352915941558936
141542313273333104
1537123741709607456
16635436136388469744
17-1073509544497887216
18-801332217409556182176
19-51221481393025808800704

[1,6,36,174,-174,-26076,-596616,-10334556,
 -143486244,-1157102136,19891298736,1443409042536,
 52915941558936,1542313273333104,37123741709607456,
 635436136388469744,-1073509544497887216,
 -801332217409556182176,-51221481393025808800704]