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A236048 as a simple table

n a(n)
1 81
2 292
3 1112
4 3760
5 13716
6 46828
7 169500
8 582300
9 2096012
10 7237244
11 25932972
12 89903068
13 320993612
14 1116363900
15 3974561132
16 13858016796
17 49226653068
18 171984277180
19 609825727660
20 2133983154780
21 7555901021900
22 26474357927164

[81,292,1112,3760,13716,46828,169500,582300,
 2096012,7237244,25932972,89903068,320993612,
 1116363900,3974561132,13858016796,49226653068,
 171984277180,609825727660,2133983154780,
 7555901021900,26474357927164]

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Last modified May 27 07:25 EDT 2022. Contains 354093 sequences. (Running on oeis4.)