id:A086904 - OEIS Search Results

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

+0
1

1, 1, 2, 7, 13, 35, 71 (list; graph; listen)

	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 this_sequence A026555 A129592 A153136` `Adjacent sequences: A086901 A086902 A086903 this_sequence A086905 A086906 A086907`
	KEYWORD	`base,nonn`
	AUTHOR	`Jacob Woolcutt (woolcutt(AT)uiuc.edu), Sep 19 2003`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.