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A007260 as a simple table

n a(n)
0 1
1 -33
2 -153
3 -713
4 -2550
5 -7479
6 -20314
7 -51951
8 -122229
9 -276656
10 -601068
11 -1254105
12 -2541531
13 -5018721
14 -9647991
15 -18168984
16 -33554784
17 -60818040
18 -108471674
19 -190607871
20 -330140403
21 -564580142
22 -953980392
23 -1593599832
24 -2634301308
25 -4311874755
26 -6991318008

[1,-33,-153,-713,-2550,-7479,-20314,-51951,
 -122229,-276656,-601068,-1254105,-2541531,
 -5018721,-9647991,-18168984,-33554784,-60818040,
 -108471674,-190607871,-330140403,-564580142,
 -953980392,-1593599832,-2634301308,-4311874755,
 -6991318008]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)