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A017991 as a simple table

n a(n)
0 1
1 1
2 3
3 6
4 10
5 19
6 36
7 65
8 118
9 216
10 392
11 713
12 1296
13 2354
14 4279
15 7776
16 14129
17 25675
18 46656
19 84779
20 154054
21 279936
22 508677
23 924328
24 1679616
25 3052064
26 5545969
27 10077696
28 18312388
29 33275819
30 60466176
31 109874333
32 199654914
33 362797056
34 659246001

[1,1,3,6,10,19,36,65,118,216,392,713,1296,2354,
 4279,7776,14129,25675,46656,84779,154054,279936,
 508677,924328,1679616,3052064,5545969,10077696,
 18312388,33275819,60466176,109874333,199654914,
 362797056,659246001]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)