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.

A228507 Numbers n such that first n digits of A091723 (Decimal expansion of the root x of ExpIntegralEi[x]==0) gives a prime number.

Table of values

n a(n)
1 1
2 2
3 145
4 180
5 691
6 4123

List of values

[1, 2, 145, 180, 691, 4123]

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

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