A099309 - OEIS

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A099309

Numbers n whose k-th arithmetic derivative is nonzero for all k. Complement of A099308.

4, 8, 12, 15, 16, 20, 24, 26, 27, 28, 32, 35, 36, 39, 40, 44, 45, 48, 50, 51, 52, 54, 55, 56, 60, 63, 64, 68, 69, 72, 74, 75, 76, 80, 81, 84, 86, 87, 88, 90, 91, 92, 95, 96, 99, 100, 102, 104, 106, 108, 110, 111, 112, 115, 116, 117, 119, 120, 122, 123, 124, 125, 128, 132 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	REFERENCES	`See A003415`
	LINKS	`T. D. Noe, Table of n, a(n) for n = 1..10000`
	CROSSREFS	`Cf. A003415 (arithmetic derivative of n), A099307 (least k such that the k-th arithmetic derivative of n is zero), A099308 (numbers whose k-th arithmetic derivative is zero for some k).` `Sequence in context: A044889 A190679 A009023 * A073432 A133803 A188069` `Adjacent sequences: A099306 A099307 A099308 * A099310 A099311 A099312`
	KEYWORD	`nonn`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), Oct 12 2004`

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Last modified February 15 03:33 EST 2012. Contains 205694 sequences.