A086904 - OEIS

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A086904

Write the primes in binary; a(n) = total number of 0's in those which have an n-bit expansion.

1, 1, 2, 7, 13, 35, 71 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,3`
	EXAMPLE	`a(2) = 1: 1 = 10 and 3 = 11, with a total of one 0. a(3) = 1: 5 = 101, 7 = 111, again with just one 0.`
	CROSSREFS	`Sequence in context: A127396 A079119 A051748 * A026555 A129592 A153136` `Adjacent sequences: A086901 A086902 A086903 * A086905 A086906 A086907`
	KEYWORD	`base,nonn`
	AUTHOR	`Jacob Woolcutt (woolcutt(AT)uiuc.edu), Sep 19 2003`

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Last modified February 17 03:45 EST 2012. Contains 205978 sequences.