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A143293 as a simple table

n a(n)
0 1
1 3
2 9
3 39
4 249
5 2559
6 32589
7 543099
8 10242789
9 233335659
10 6703028889
11 207263519019
12 7628001653829
13 311878265181039
14 13394639596851069
15 628284422185342479
16 33217442899375387209
17 1955977793053588026279
18 119244359152460559009549
19 7977565910232727614888639

[1,3,9,39,249,2559,32589,543099,10242789,
 233335659,6703028889,207263519019,7628001653829,
 311878265181039,13394639596851069,
 628284422185342479,33217442899375387209,
 1955977793053588026279,119244359152460559009549,
 7977565910232727614888639]

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)