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A193418 as a simple table

n a(n)
1 1
2 3
3 8
4 23
5 69
6 206
7 616
8 1846
9 5537
10 16609
11 49824
12 149469
13 448405
14 1345212
15 4035632
16 12106892
17 36320673
18 108962015
19 326886040
20 980658115
21 2941974341
22 8825923018
23 26477769048
24 79433307138
25 238299921409
26 714899764221
27 2144699292656

[1,3,8,23,69,206,616,1846,5537,16609,49824,149469,
 448405,1345212,4035632,12106892,36320673,
 108962015,326886040,980658115,2941974341,
 8825923018,26477769048,79433307138,238299921409,
 714899764221,2144699292656]

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Last modified March 28 13:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)