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A183318 as a simple table

n a(n)
1 21
2 119
3 1109
4 7833
5 61755
6 455509
7 3437801
8 25528515
9 190243099
10 1412491505
11 10484413673
12 77772795145
13 576515430247
14 4273815283079
15 31666450138863
16 234664439146089
17 1738444321229885
18 12880327740810545
19 95414952005019587

[21,119,1109,7833,61755,455509,3437801,25528515,
 190243099,1412491505,10484413673,77772795145,
 576515430247,4273815283079,31666450138863,
 234664439146089,1738444321229885,
 12880327740810545,95414952005019587]

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Last modified July 1 02:58 EDT 2022. Contains 354947 sequences. (Running on oeis4.)