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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.

A139192 a(n) = (prime(n)! - 4)/4.

Table of values

n a(n)
3 29
4 1259
5 9979199
6 1556755199
7 88921857023999
8 30411275102207999
9 6463004184721244159999
10 2210440498434925488635903999999
11 2055709663544480704431390719999999
12 3440938272806586261578994895395225599999999
13 8363131653290951777042515513360187916287999999999
14 15103815765843458909338783017128499376816127999999999
15 64655810377792045160741088788402994992299408097279999999999
16 1068720821015006391074503438347349912422585947091703431167999999999999

List of values

[29, 1259, 9979199, 1556755199, 88921857023999, 30411275102207999, 6463004184721244159999, 2210440498434925488635903999999, 2055709663544480704431390719999999, 3440938272806586261578994895395225599999999, 8363131653290951777042515513360187916287999999999, 15103815765843458909338783017128499376816127999999999, 64655810377792045160741088788402994992299408097279999999999, 1068720821015006391074503438347349912422585947091703431167999999999999]

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

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