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A028009 as a simple table

n a(n)
0 1
1 28
2 509
3 7628
4 102477
5 1284060
6 15338893
7 177026476
8 1991073293
9 21954504572
10 238334455437
11 2555217498444
12 27118409281549
13 285415846100764
14 2983193752870541
15 30999901741572332
16 320557221434296845
17 3300921733229659836
18 33869642781313790605

[1,28,509,7628,102477,1284060,15338893,177026476,
 1991073293,21954504572,238334455437,2555217498444,
 27118409281549,285415846100764,2983193752870541,
 30999901741572332,320557221434296845,
 3300921733229659836,33869642781313790605]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)