A018246 - OEIS

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A018246

A self-generating sequence: there are a(n) (k+1)'s between successive k's, where k=5.

5, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	MAPLE	`f := proc(n, k) floor(n(k+sqrt(k^2+4k))/2)-floor((n-1)(k+sqrt(k^2+4k))/2); end; (with k=5)`
	CROSSREFS	`Cf. A001468, A007538.` `Sequence in context: A064864 A004553 A074826 * A101101 A046786 A035591` `Adjacent sequences: A018243 A018244 A018245 * A018247 A018248 A018249`
	KEYWORD	`nonn`
	AUTHOR	`Jonas Wallgren (jwc(AT)ida.liu.se)`

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.