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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A375530 a(n) is the denominator of Sum_{k = 1..n} prime(k) / A375529(k).

Table of values

n a(n)
0 1
1 3
2 30
3 4530
4 143650830
5 226991170700228730
6 669824890486184912549321336826596430
7 7627311526552103393330686732733999706332372434754669475019405844335259730

List of values

[1, 3, 30, 4530, 143650830, 226991170700228730, 669824890486184912549321336826596430, 7627311526552103393330686732733999706332372434754669475019405844335259730]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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