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A149482 as a simple table

n a(n)
0 1
1 1
2 4
3 13
4 58
5 226
6 1055
7 4519
8 21614
9 97094
10 471010
11 2178613
12 10660517
13 50257832
14 247314696
15 1181334243
16 5835644820
17 28137910424
18 139376200116
19 676714986878
20 3358628183403
21 16393168567510
22 81481596697479
23 399325900478770
24 1987060483010033
25 9769457634905532
26 48655357050063238
27 239829359080746283

[1,1,4,13,58,226,1055,4519,21614,97094,471010,
 2178613,10660517,50257832,247314696,1181334243,
 5835644820,28137910424,139376200116,676714986878,
 3358628183403,16393168567510,81481596697479,
 399325900478770,1987060483010033,9769457634905532,
 48655357050063238,239829359080746283]

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Last modified June 17 15:57 EDT 2024. Contains 373463 sequences. (Running on oeis4.)