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A150971 as a simple table

n a(n)
0 1
1 2
2 9
3 36
4 158
5 717
6 3309
7 15375
8 72555
9 344182
10 1640966
11 7863210
12 37826596
13 182448229
14 882425744
15 4277829024
16 20776458752
17 101076141067
18 492491511517
19 2402811356306
20 11736894220444
21 57393337393508
22 280928335727393
23 1376301299048225
24 6748197431155125
25 33112331353842749
26 162589309192203086

[1,2,9,36,158,717,3309,15375,72555,344182,1640966,
 7863210,37826596,182448229,882425744,4277829024,
 20776458752,101076141067,492491511517,
 2402811356306,11736894220444,57393337393508,
 280928335727393,1376301299048225,6748197431155125,
 33112331353842749,162589309192203086]

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Last modified May 1 04:42 EDT 2024. Contains 372148 sequences. (Running on oeis4.)