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A230719
Smallest number whose square is the sum of two positive cubes in at least n ways.
0
3, 77976, 3343221000
OFFSET
1,1
COMMENTS
See A050801, A051302, A155961 for more comments, references, links, and crossrefs.
EXAMPLE
3^2 = 1^3 + 2^3.
77976^2 = 228^3 + 1824^3 = 1026^3 + 1710^3.
3343221000^2 = 279300^3 + 2234400^3 = 790020^3 + 2202480^3 = 1256850^3 + 2094750^3.
CROSSREFS
a(1) = A050801(1), a(2) = A051302(1), a(3) = A155961(1).
Sequence in context: A178966 A368720 A175551 * A213000 A151594 A119119
KEYWORD
nonn,more
AUTHOR
Jonathan Sondow, Oct 28 2013
STATUS
approved