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A055434 as a simple table

n a(n)
0 1
1 21
2 317
3 4169
4 49689
5 532509
6 5260181
7 48218513
8 415055025
9 3375505573
10 26107328109
11 193280122713
12 1374386800585
13 9405092131245
14 62077194367429
15 396122100447649
16 2449318034512737
17 14705097001902901
18 85877415063465373

[1,21,317,4169,49689,532509,5260181,48218513,
 415055025,3375505573,26107328109,193280122713,
 1374386800585,9405092131245,62077194367429,
 396122100447649,2449318034512737,
 14705097001902901,85877415063465373]

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Last modified August 3 04:47 EDT 2021. Contains 346435 sequences. (Running on oeis4.)