A043742 - OEIS

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A043742

Numbers whose number of runs in the base-2 representation is congruent to 3 mod 7.

5, 9, 11, 13, 17, 19, 23, 25, 27, 29, 33, 35, 39, 47, 49, 51, 55, 57, 59, 61, 65, 67, 71, 79, 95, 97, 99, 103, 111, 113, 115, 119, 121, 123, 125, 129, 131, 135, 143, 159, 191, 193, 195, 199, 207, 223, 225, 227, 231, 239, 241, 243, 247 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Harvey P. Dale, Table of n, a(n) for n = 1..2500`
	MATHEMATICA	`Select[Range[250], Mod[Length[Split[IntegerDigits[#, 2]]], 7]==3&] (* Harvey P. Dale, Mar 30 2022 *)`
	CROSSREFS	`Sequence in context: A043731 A043570 A043736 * A043749 A043757 A043766` `Adjacent sequences: A043739 A043740 A043741 * A043743 A043744 A043745`
	KEYWORD	`nonn,base`
	AUTHOR	`Clark Kimberling`
	STATUS	`approved`

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Last modified December 4 06:57 EST 2023. Contains 367557 sequences. (Running on oeis4.)