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.
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
Keywords
Examples
Term #2 is 37 because term #2 of A099426 is 228, 228^2 = 11^3 + 37^3 and 37 > 11.
Links
- Donovan Johnson, Table of n, a(n) for n = 1..300
Programs
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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