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A121646 as a simple table

n a(n)
1 -1
2 0
3 -3
4 -5
5 -16
6 -39
7 -105
8 -272
9 -715
10 -1869
11 -4896
12 -12815
13 -33553
14 -87840
15 -229971
16 -602069
17 -1576240
18 -4126647
19 -10803705
20 -28284464
21 -74049691
22 -193864605
23 -507544128
24 -1328767775
25 -3478759201
26 -9107509824
27 -23843770275
28 -62423800997
29 -163427632720

[-1,0,-3,-5,-16,-39,-105,-272,-715,-1869,-4896,
 -12815,-33553,-87840,-229971,-602069,-1576240,
 -4126647,-10803705,-28284464,-74049691,-193864605,
 -507544128,-1328767775,-3478759201,-9107509824,
 -23843770275,-62423800997,-163427632720]

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Last modified April 23 14:15 EDT 2024. Contains 371914 sequences. (Running on oeis4.)