id:A078386 - OEIS Search Results

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Square-free kernels of numbers which can be written as sum of a positive square and a positive cube.

+0
3

2, 5, 3, 10, 6, 17, 6, 26, 14, 31, 33, 6, 37, 43, 22, 10, 26, 57, 21, 65, 34, 6, 73, 38, 10, 82, 89, 91, 10, 101, 6, 113, 122, 42, 127, 2, 129, 134, 141, 145, 74, 30, 38, 161, 82, 170, 57, 174, 177, 185, 21, 14, 197, 102, 206, 26, 217, 110, 223, 15, 226, 58, 233, 241 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n)=A007947(A055394(n)).`
	EXAMPLE	`3^2+3^3 = A055394(11) = 36, a(12) = A007947(A055394(11)) = A007947(36) = A007947(2^23^2) = 23 = 6.`
	CROSSREFS	`Cf. A078387.` `Adjacent sequences: A078383 A078384 A078385 this_sequence A078387 A078388 A078389` `Sequence in context: A057337 A096666 A064664 this_sequence A143121 A101492 A138765`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 25 2002`

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Last modified October 5 16:50 EDT 2008. Contains 144613 sequences.

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