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A301335 as a simple table

n a(n)
0 1
1 1
2 4
3 27
4 260
5 3175
6 47304
7 833147
8 16941120
9 390611331
10 10070060200
11 287028156162
12 8962583345856
13 304255011200647
14 11156593415089808
15 439452231820920000
16 18505340390664634384
17 829599437871129843839
18 39447684087807950938908
19 1983038000428208822539998
20 105080571577382659860160800

[1,1,4,27,260,3175,47304,833147,16941120,
 390611331,10070060200,287028156162,8962583345856,
 304255011200647,11156593415089808,
 439452231820920000,18505340390664634384,
 829599437871129843839,39447684087807950938908,
 1983038000428208822539998,
 105080571577382659860160800]

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Last modified August 16 20:41 EDT 2024. Contains 375177 sequences. (Running on oeis4.)