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.

A099080 Numbers k such that sigma(k).sigma(k-1) ... sigma(2).sigma(1) is prime (dot between numbers means concatenation).

Table of values

n	a(n)
1	2
2	3
3	66
4	102

List of values

[2, 3, 66, 102]

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

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