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A037781 as a simple table

n a(n)
1 3
2 19
3 116
4 696
5 4179
6 25075
7 150452
8 902712
9 5416275
10 32497651
11 194985908
12 1169915448
13 7019492691
14 42116956147
15 252701736884
16 1516210421304
17 9097262527827
18 54583575166963
19 327501451001780
20 1965008706010680

[3,19,116,696,4179,25075,150452,902712,5416275,
 32497651,194985908,1169915448,7019492691,
 42116956147,252701736884,1516210421304,
 9097262527827,54583575166963,327501451001780,
 1965008706010680]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)