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A002748 as a simple table

n a(n)
0 1
1 2
2 3
3 26
4 13
5 1074
6 -1457
7 61802
8 7929
9 4218722
10 -6385349
11 934344762
12 -5065189307
13 141111736466
14 235257551943
15 23219206152074
16 -97011062913167
17 11887164842925762
18 -91890238533000461
19 4819930221202545242
20 -14547510704199530499
21 1184314832978574919922

[1,2,3,26,13,1074,-1457,61802,7929,4218722,
 -6385349,934344762,-5065189307,141111736466,
 235257551943,23219206152074,-97011062913167,
 11887164842925762,-91890238533000461,
 4819930221202545242,-14547510704199530499,
 1184314832978574919922]

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Last modified April 25 13:02 EDT 2024. Contains 371969 sequences. (Running on oeis4.)