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A078360
Numbers having a unique representation as sum of a positive square and a positive cube.
3
2, 5, 9, 10, 12, 24, 26, 28, 31, 33, 36, 37, 43, 44, 50, 52, 57, 63, 68, 72, 73, 76, 80, 82, 91, 100, 101, 113, 122, 126, 127, 128, 134, 141, 148, 150, 152, 161, 164, 170, 171, 174, 177, 185, 189, 196, 197, 204, 206, 208, 217, 220, 223, 226, 232, 241, 246, 257
OFFSET
1,1
COMMENTS
A078359(a(n))=1.
EXAMPLE
10 is a term, as 10 = 3^2 + 1^3 and all other sums of positive squares and positives cubes are not equal 10; 17 is not a term, as 17 = 3^2 + 2^3 = 4^2 + 1^3.
CROSSREFS
Sequence in context: A100530 A155469 A055394 * A372886 A114995 A047619
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 25 2002
STATUS
approved