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A177451 as a simple table

n a(n)
3 1
4 4
5 26
6 281
7 3602
8 56550
9 1121538
10 26193063
11 693887458
12 20808594004
13 699641607622
14 26001947464541
15 1059148042622186
16 47015706166302146
17 2260884753582320442
18 117153802097975691651
19 6513779162975806691634 

[1,4,26,281,3602,56550,1121538,26193063,693887458,
 20808594004,699641607622,26001947464541,
 1059148042622186,47015706166302146,
 2260884753582320442,117153802097975691651,
 6513779162975806691634]

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Last modified April 24 07:01 EDT 2024. Contains 371920 sequences. (Running on oeis4.)