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.

A317255 a(n) = 149836681069944461 + (n-1)*1723457117682300.

Original entry on oeis.org

149836681069944461, 151560138187626761, 153283595305309061, 155007052422991361, 156730509540673661, 158453966658355961, 160177423776038261, 161900880893720561, 163624338011402861, 165347795129085161, 167071252246767461, 168794709364449761, 170518166482132061
Offset: 1

Views

Author

Marco RipĂ , Jul 25 2018

Keywords

Comments

The terms for n = 1..26 are prime. As of Jul 25 2018, this is one of the longest known sequences of primes in arithmetic progression.

Examples

			a(26) = 149836681069944461 + 25*7725290*223092870 = 192923109012001961 is prime.
		

Crossrefs

Programs

  • GAP
    List([1..25], n->149836681069944461+(n-1)*1723457117682300);
  • Maple
    seq(149836681069944461+(n-1)*1723457117682300,n=1..25);
  • Mathematica
    Table[149836681069944461 + (n - 1) 1723457117682300, {n, 1, 25}]