OFFSET
1,1
COMMENTS
Numbers k such that j^3 +k^3 = m^3 + (m + 1)^3 = N, with j <> (k +- 1), j > m and j > |k|, and where j = A352135(n), k = a(n) (this sequence), m = A352134(n) and N = A352133(n).
LINKS
Vladimir Pletser, Table of n, a(n) for n = 1..258
A. Grinstein, Ramanujan and 1729, University of Melbourne Dept. of Math and Statistics Newsletter: Issue 3, 1998.
Eric Weisstein's World of Mathematics, Centered Cube Number
EXAMPLE
-5 belongs to the sequence as 6^3 + (-5)^3 = 3^3 + 4^3 = 91.
CROSSREFS
KEYWORD
sign
AUTHOR
Vladimir Pletser, Mar 05 2022
STATUS
approved