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A094622 as a simple table

n a(n)
0 0
1 11
2 31
3 141
4 341
5 1441
6 3441
7 14441
8 34441
9 144441
10 344441
11 1444441
12 3444441
13 14444441
14 34444441
15 144444441
16 344444441
17 1444444441
18 3444444441
19 14444444441
20 34444444441
21 144444444441
22 344444444441
23 1444444444441

[0,11,31,141,341,1441,3441,14441,34441,144441,
 344441,1444441,3444441,14444441,34444441,
 144444441,344444441,1444444441,3444444441,
 14444444441,34444444441,144444444441,344444444441,
 1444444444441]

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Last modified May 14 07:57 EDT 2024. Contains 372530 sequences. (Running on oeis4.)