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A082278 as a simple table

n a(n)
1 1
2 3
3 12
4 60
5 390
6 3320
7 35570
8 471620
9 7543118
10 142663878
11 3136936508
12 79061105312
13 2256802761948
14 72223691097344 

[1,3,12,60,390,3320,35570,471620,7543118,
 142663878,3136936508,79061105312,2256802761948,
 72223691097344]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)