id:A137794 - OEIS Search Results

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Characteristic function of numbers having no prime gaps in their factorization.

+0
6

1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(A073491(n)) = 1; a(A073492(n)) = 0;` `a(n) = A137721(n) - A137721(n-1) for n>1.`
	FORMULA	`a(n) = 0^A073490(n).`
	CROSSREFS	`Sequence in context: A110242 A131364 A054527 this_sequence A105586 A136522 A086299` `Adjacent sequences: A137791 A137792 A137793 this_sequence A137795 A137796 A137797`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 11 2008`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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