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A365112 as a simple table

na(n)
01
11
2-5
310
420
5-220
6624
7940
8-15220
952090
1049310
11-1254070
124951430
132039640
14-113088840
15505430700
16-42379684
17-10748423405
1853899438385
19-29300595085
20-1054751754795
215914944193114
22-5760460624890
23-105478270711140
24661900612108440
25-914408777470140

[1,1,-5,10,20,-220,624,940,-15220,52090,49310,
 -1254070,4951430,2039640,-113088840,505430700,
 -42379684,-10748423405,53899438385,-29300595085,
 -1054751754795,5914944193114,-5760460624890,
 -105478270711140,661900612108440,-914408777470140]