id:A085370 - OEIS Search Results

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Niven (or Harshad) numbers that are not divisible by 3.

+0
2

1, 2, 4, 5, 7, 8, 10, 20, 40, 50, 70, 80, 100, 110, 112, 133, 140, 152, 190, 200, 209, 220, 224, 230, 247, 266, 280, 308, 320, 322, 364, 370, 392, 400, 407, 410, 440, 448, 460, 476, 481, 500, 506, 511, 512, 518, 550, 592, 605, 629, 640, 644, 700, 704, 715 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) mod A007953(a(n)) = 0 and A007953(a(n)) mod 3 > 0;` `Intersection of A005349 and A001651.`
	LINKS	`Eric Weisstein's World of Mathematics, Harshad Number`
	CROSSREFS	`Cf. A085371.` `Adjacent sequences: A085367 A085368 A085369 this_sequence A085371 A085372 A085373` `Sequence in context: A050054 A018371 A127964 this_sequence A006693 A112886 A111040`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 26 2003`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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