A078360 - OEIS

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A078360

Numbers having a unique representation as sum of a positive square and a positive cube.

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 (list; graph; refs; listen; history; internal format)

	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	`Cf. A055394, A054402.` `Sequence in context: A100530 A155469 A055394 * A114995 A047619 A046711` `Adjacent sequences: A078357 A078358 A078359 * A078361 A078362 A078363`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 25 2002`

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.