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A188609 as a simple table

n a(n)
1 12
2 144
3 883
4 4914
5 26723
6 140617
7 721597
8 3648942
9 18246880
10 90587254
11 447352515
12 2201344823
13 10804697625
14 52937908893
15 259040875255
16 1266429871446
17 6187499700062
18 30216983863723
19 147517894395275
20 720006607430081

[12,144,883,4914,26723,140617,721597,3648942,
 18246880,90587254,447352515,2201344823,
 10804697625,52937908893,259040875255,
 1266429871446,6187499700062,30216983863723,
 147517894395275,720006607430081]

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Last modified March 29 09:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)