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A260938 as a simple table

n a(n)
0 1
1 3
2 9
3 27
4 63
5 141
6 249
7 435
8 663
9 969
10 1293
11 1713
12 2169
13 2751
14 3333
15 4047
16 4827
17 5733
18 6711
19 7875
20 9081
21 10437
22 11817
23 13425
24 15171
25 17091
26 19017
27 21183
28 23475
29 26001
30 28611
31 31521
32 34515
33 37755
34 41067
35 44631
36 48363
37 52389
38 56499
39 60915
40 65493
41 70419
42 75417

[1,3,9,27,63,141,249,435,663,969,1293,1713,2169,
 2751,3333,4047,4827,5733,6711,7875,9081,10437,
 11817,13425,15171,17091,19017,21183,23475,26001,
 28611,31521,34515,37755,41067,44631,48363,52389,
 56499,60915,65493,70419,75417]

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)