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.

A140719 Primes in A153257.

Original entry on oeis.org

11, 89, 167, 431, 1187, 1559, 3119, 5471, 7559, 18899, 34781, 41579, 57719, 67157, 89009, 108191, 122399, 154439, 270269, 283007, 309671, 628487, 650759, 770039, 875327, 960299, 1213379, 1547207, 1800719, 1845491, 1984247, 2608751, 2724119
Offset: 1

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Keywords

Examples

			3^3-4^2=27-16=11, 5^3-6^2=125-36=89, 6^3-7^2=216-49=167,...
		

Crossrefs

Cf. A153257.

Programs

  • Maple
    R:= NULL: count:= 0:
    for n from 2 while count < 100 do
      p:= n^3 - (n+1)^2;
      if isprime(p) then
        count:=count+1; R:= R,p;
      fi
    od:
    R; # Robert Israel, Oct 19 2021
  • Mathematica
    Select[ #^3 - (# + 1)^2 & /@ Range[2, 140], PrimeQ@ # &] (* Robert G. Wilson v, Aug 17 2008 *)

Extensions

More terms from Robert G. Wilson v, Aug 17 2008