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A137644 as a simple table

n a(n)
0 1
1 3
2 16
3 95
4 591
5 3780
6 24620
7 162423
8 1081780
9 7258053
10 48982176
11 332140328
12 2261099491
13 15444137880
14 105789736896
15 726426836103
16 4998885106599
17 34464824536500
18 238017084356680
19 1646234203000485
20 11401464090042224
21 79060352485691272
22 548829398923188036

[1,3,16,95,591,3780,24620,162423,1081780,7258053,
 48982176,332140328,2261099491,15444137880,
 105789736896,726426836103,4998885106599,
 34464824536500,238017084356680,1646234203000485,
 11401464090042224,79060352485691272,
 548829398923188036]

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)