cp's OEIS Frontend

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.

A318760 a(n) = (2^(p-2) + 3^(p-2) + 6^(p-2) - 1)/p where p = prime(n).

Table of values

n a(n)
3 50
4 1150
5 917990
6 27921250
7 27658786250
8 890883616630
9 953780917514270
10 35292771610455205250
11 1188569463078058297390
12 46461372967525788391551250
13 54339408694585566675022336250
14 1865231796118578544316494648870
15 2211609309235145328175672372758350
16 91503540845067670142505715662203731250

List of values

[50, 1150, 917990, 27921250, 27658786250, 890883616630, 953780917514270, 35292771610455205250, 1188569463078058297390, 46461372967525788391551250, 54339408694585566675022336250, 1865231796118578544316494648870, 2211609309235145328175672372758350, 91503540845067670142505715662203731250]

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

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