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A183449 as a simple table

n a(n)
1 1
2 253
3 1505
4 7761
5 176949
6 1817225
7 16192521
8 216103851
9 2491241396
10 26807184942
11 319246780548
12 3727927654904
13 42498891259325
14 496063346878031
15 5787799084661820
16 67059980281582582
17 780988033705277709 

[1,253,1505,7761,176949,1817225,16192521,
 216103851,2491241396,26807184942,319246780548,
 3727927654904,42498891259325,496063346878031,
 5787799084661820,67059980281582582,
 780988033705277709]

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Last modified December 2 20:36 EST 2023. Contains 367526 sequences. (Running on oeis4.)