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A054490 as a simple table

n a(n)
0 1
1 11
2 65
3 379
4 2209
5 12875
6 75041
7 437371
8 2549185
9 14857739
10 86597249
11 504725755
12 2941757281
13 17145817931
14 99933150305
15 582453083899
16 3394785353089
17 19786259034635
18 115322768854721
19 672150354093691
20 3917579355707425
21 22833325780150859

[1,11,65,379,2209,12875,75041,437371,2549185,
 14857739,86597249,504725755,2941757281,
 17145817931,99933150305,582453083899,
 3394785353089,19786259034635,115322768854721,
 672150354093691,3917579355707425,
 22833325780150859]

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Last modified April 16 14:51 EDT 2024. Contains 371749 sequences. (Running on oeis4.)