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A034318 as a simple table

n a(n)
-1 1
0 -2
1 12
2 28
3 66
4 132
5 258
6 468
7 843
8 1428
9 2406
10 3900
11 6253
12 9780
13 15144
14 22980
15 34599
16 51300
17 75430
18 109584
19 158052
20 225676
21 320082
22 450216
23 629329
24 873444
25 1205514
26 1653364
27 2256087
28 3061620
29 4135280
30 5557980
31 7438170
32 9910132
33 13151568
34 17382756
35 22891391

[1,-2,12,28,66,132,258,468,843,1428,2406,3900,
 6253,9780,15144,22980,34599,51300,75430,109584,
 158052,225676,320082,450216,629329,873444,1205514,
 1653364,2256087,3061620,4135280,5557980,7438170,
 9910132,13151568,17382756,22891391]

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Last modified April 24 19:24 EDT 2024. Contains 371962 sequences. (Running on oeis4.)