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A038999 as a simple table

n a(n)
1 1
2 4095
3 265720
4 11180715
5 61035156
6 1088123400
7 2306881200
8 26167664835
9 52955405230
10 249938963820
11 313842837672
12 2970939589800
13 1941507093540
14 9446678514000
15 16218261652320
16 57162391576563
17 36413889826860
18 216852384416850
19 122961939948120
20 682416684216540

[1,4095,265720,11180715,61035156,1088123400,
 2306881200,26167664835,52955405230,249938963820,
 313842837672,2970939589800,1941507093540,
 9446678514000,16218261652320,57162391576563,
 36413889826860,216852384416850,122961939948120,
 682416684216540]

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Last modified August 17 01:38 EDT 2024. Contains 375198 sequences. (Running on oeis4.)