A086247 - OEIS

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A086247

Differences of successive 7-smooth numbers.

1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 3, 1, 2, 1, 2, 2, 3, 1, 4, 2, 3, 3, 1, 1, 4, 2, 4, 3, 1, 6, 2, 3, 5, 1, 3, 6, 6, 2, 2, 5, 3, 4, 8, 5, 1, 2, 7, 5, 4, 3, 3, 10, 2, 6, 7, 5, 9, 3, 4, 4, 10, 6, 8, 1, 15, 3, 2, 5, 2, 4, 14, 10, 8, 6, 6, 15, 5, 4, 12, 7, 7, 10, 15, 3, 6, 8, 8, 5, 15, 12 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,10`
	COMMENTS	`a(n) = A002473(n+1) - A002473(n);` `A002473(n) is a term of A085153 iff a(n)=1.`
	LINKS	`Eric Weisstein's World of Mathematics, Smooth Number`
	CROSSREFS	`Cf. A061987.` `Sequence in context: A112050 A194884 A078401 * A116452 A103958 A204260` `Adjacent sequences: A086244 A086245 A086246 * A086248 A086249 A086250`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 13 2003`

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Last modified February 14 08:37 EST 2012. Contains 205614 sequences.