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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.

A231989 Least prime p such that f(0),...,f(n) are all primes, where f(0) = p, then f(i+1) = triangular(f(i))+1.

Table of values

n a(n)
1 3
2 3
3 43
4 236367611
5 31542795419

List of values

[3, 3, 43, 236367611, 31542795419]

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

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