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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.

A254939 a(n) = (A099795(n)^-1 mod p)*A099795(n), where p = prime(n).

Table of values

n a(n)
1 1
2 4
3 36
4 120
5 2520
6 277200
7 5045040
8 183783600
9 4655851200
10 80313433200
11 32607253879200
12 2743667504978400
13 58772246027695200
14 5038384364010597600
15 56517528952814529600
16 34089489546705963770400
17 7391221142626702144764000

List of values

[1, 4, 36, 120, 2520, 277200, 5045040, 183783600, 4655851200, 80313433200, 32607253879200, 2743667504978400, 58772246027695200, 5038384364010597600, 56517528952814529600, 34089489546705963770400, 7391221142626702144764000]

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

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