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A133331 as a simple table

n a(n)
0 0
1 1
2 3
3 6
4 9
5 15
6 18
7 27
8 27
9 36
10 27
11 27
12 0
13 -27
14 -81
15 -162
16 -243
17 -405
18 -486
19 -729
20 -729
21 -972
22 -729
23 -729
24 0
25 729
26 2187
27 4374

[0,1,3,6,9,15,18,27,27,36,27,27,0,-27,-81,-162,
 -243,-405,-486,-729,-729,-972,-729,-729,0,729,
 2187,4374]

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Last modified April 24 19:31 EDT 2024. Contains 371962 sequences. (Running on oeis4.)