A177768 - OEIS

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A177768

Positions of decreases in sequence A061712 (related to Hamming weights of primes).

7, 15, 23, 31, 39, 63, 79, 95, 127, 175, 207, 255, 511, 543, 607, 767, 1023, 1279, 2047 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Is the sequence infinite?` `All terms listed are of the form == 7 (mod 8). Is there a reason for this phenomenon?`
	LINKS	`Table of n, a(n) for n=1..19.`
	FORMULA	`{n : A061712(n) < A061712(n-1)}.`
	CROSSREFS	`Cf. A061712` `Sequence in context: A004771 A029724 A194400 * A243582 A056828 A113505` `Adjacent sequences: A177765 A177766 A177767 * A177769 A177770 A177771`
	KEYWORD	`nonn,base`
	AUTHOR	`Vladimir Shevelev, May 13 2010`
	STATUS	`approved`

Last modified August 22 22:36 EDT 2017. Contains 290952 sequences.