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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.

A213328 Analog of Fermat quotients: a(n) = (round((phi_3)^p)-3)/p, where phi_3 = (3+sqrt(13))/2 and p = prime(n).

Table of values

n a(n)
1 4
2 11
3 78
4 612
5 46374
6 428040
7 38948910
8 380144556
9 37367223558
10 38467601033550
11 392545092308724
12 426897839167539480
13 45841425452161683630
14 476794964068892779068
15 51906117696097060014342
16 59746844088106673671809870
17 69664778857791165966384195366

List of values

[4, 11, 78, 612, 46374, 428040, 38948910, 380144556, 37367223558, 38467601033550, 392545092308724, 426897839167539480, 45841425452161683630, 476794964068892779068, 51906117696097060014342, 59746844088106673671809870, 69664778857791165966384195366]

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

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