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A255891 as a simple table

n a(n)
1 2
2 4
3 240
4 348
5 368
6 380
7 19364665320
8 20210069880
9 20328267960
10 20673770040
11 20681420760
12 20735165880
13 20940748920
14 20959618680
15 21135474360
16 21196014840
17 21256222680
18 21302746920
19 21380630040
20 21405023640
21 21426252120
22 21465896760
23 21522002040
24 21544621560

[2,4,240,348,368,380,19364665320,20210069880,
 20328267960,20673770040,20681420760,20735165880,
 20940748920,20959618680,21135474360,21196014840,
 21256222680,21302746920,21380630040,21405023640,
 21426252120,21465896760,21522002040,21544621560]

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Last modified April 16 18:51 EDT 2024. Contains 371750 sequences. (Running on oeis4.)