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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.

A338472 (1 + Sum_{k(even)=2..p-1} 2*k^(p-1))/p as p runs through the odd primes.

Table of values

n a(n)
1 3
2 109
3 14519
4 2024592291
5 1536463613637
6 2449395996564189425
7 4686662617019462175259
8 33724155827962966577589860263
9 2606282943971359343146382147809434583605
10 15159042500551578738018590862773479717960671
11 6576976543997974825092367662248938303820921894460988333

List of values

[3, 109, 14519, 2024592291, 1536463613637, 2449395996564189425, 4686662617019462175259, 33724155827962966577589860263, 2606282943971359343146382147809434583605, 15159042500551578738018590862773479717960671, 6576976543997974825092367662248938303820921894460988333]

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

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