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A017924 as a simple table

n a(n)
0 1
1 3
2 6
3 15
4 36
5 89
6 216
7 530
8 1296
9 3175
10 7776
11 19048
12 46656
13 114284
14 279936
15 685701
16 1679616
17 4114203
18 10077696
19 24685213
20 60466176
21 148111278
22 362797056
23 888667668
24 2176782336
25 5332006005
26 13060694016

[1,3,6,15,36,89,216,530,1296,3175,7776,19048,
 46656,114284,279936,685701,1679616,4114203,
 10077696,24685213,60466176,148111278,362797056,
 888667668,2176782336,5332006005,13060694016]

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Last modified April 17 21:22 EDT 2024. Contains 371767 sequences. (Running on oeis4.)