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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.

A078699 Primes p such that p^2-1 is a triangular number.

Table of values

n a(n)
1 2
2 11
3 23
4 373
5 12671
6 901273
7 19472752251611
8 53072032161200090602953513048447623
9 5027153581127740201460650182713355379768873
10 11604855412241025458500993236724193227031777965785837784548351709747881343573

List of values

[2, 11, 23, 373, 12671, 901273, 19472752251611, 53072032161200090602953513048447623, 5027153581127740201460650182713355379768873, 11604855412241025458500993236724193227031777965785837784548351709747881343573]

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

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