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.

A099533 Greater of a,b where n^2 = a^3 + b^3; a,b>0 and gcd(a,b)=1. The lesser of a,b is the corresponding term in A099532 and n, which is used to order this sequence, is the corresponding term in A099426.

Original entry on oeis.org

2, 37, 65, 112, 312, 433, 1064, 877, 1177, 1201, 1617, 1969, 2345, 2480, 2543, 3081, 3482, 4019, 4440, 5160, 6337, 6489, 5985, 7729, 8663, 9265, 10274, 8848, 10753, 12688, 11821, 12071, 14345, 13937, 16352, 15520, 17761, 16296, 15962, 21923
Offset: 1

Views

Author

Hans Havermann, Oct 20 2004

Keywords

Examples

			Term #2 is 37 because term #2 of A099426 is 228, 228^2 = 11^3 + 37^3 and 37 > 11.
		

Crossrefs

Cf. A099426, A099532, A282639 (sorted not by n but max(a,b)).

Programs

  • PARI
    for(s=2,1e5,for(x=1,s\2,my(y=s-x);if(gcd(x,y)>1,next); if(issquare(x^3+y^3), print1(y", ")))) \\ Charles R Greathouse IV, Nov 06 2014