id:A106034 - OEIS Search Results

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a(n) is the least number such that n*prime(n)+a(n) is a perfect cube.

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6, 2, 12, 36, 9, 47, 6, 64, 9, 53, 2, 68, 196, 127, 24, 152, 328, 233, 58, 308, 195, 459, 288, 61, 319, 118, 594, 379, 214, 706, 159, 721, 392, 187, 617, 396, 23, 665, 346, 1080, 661, 398, 1048, 769, 396, 107, 731, 1463, 1044, 717, 284, 1396, 1051, 270, 1490, 897 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(10)=53 because 10prime(10)+a(10)=1029+53=343=7^3`
	MATHEMATICA	`f[n_] := (Ceiling[(nPrime[n])^(1/3)])^3 - nPrime[n]; Table[f[n], {n, 100}]`
	CROSSREFS	`Sequence in context: A050088 A163864 A112591 this_sequence A142867 A080977 A095951` `Adjacent sequences: A106031 A106032 A106033 this_sequence A106035 A106036 A106037`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), May 05 2005`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), May 07 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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