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A280572 as a simple table

n a(n)
1 1
2 5
3 40
4 525
5 10025
6 253475
7 8015725
8 305359050
9 13645726250
10 701304298375
11 40822454374125
12 2658840618527250
13 191861336190647375
14 15213199343853357500
15 1316408013706224687500
16 123576861126283832953125
17 12521371849855149886590625
18 1363361618975383978443843750
19 158900334287408210286438971875
20 19755940413686794723417400000000
21 2612146114817877629253999384562500
22 366294181903982533559997504649828125

[1,5,40,525,10025,253475,8015725,305359050,
 13645726250,701304298375,40822454374125,
 2658840618527250,191861336190647375,
 15213199343853357500,1316408013706224687500,
 123576861126283832953125,
 12521371849855149886590625,
 1363361618975383978443843750,
 158900334287408210286438971875,
 19755940413686794723417400000000,
 2612146114817877629253999384562500,
 366294181903982533559997504649828125]

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Last modified July 26 06:58 EDT 2024. Contains 374615 sequences. (Running on oeis4.)