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A251255 as a simple table

n a(n)
1 180
2 1232
3 5680
4 38332
5 185620
6 1215600
7 6080510
8 38748690
9 198765264
10 1238605998
11 6482518286
12 39672453450
13 211010740516
14 1272735272854
15 6857786261434
16 40883144370828
17 222596116574864
18 1314621503491854

[180,1232,5680,38332,185620,1215600,6080510,
 38748690,198765264,1238605998,6482518286,
 39672453450,211010740516,1272735272854,
 6857786261434,40883144370828,222596116574864,
 1314621503491854]

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)