A079947 - OEIS

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A079947

Partial sums of A030300.

1, 1, 1, 2, 3, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,4`
	LINKS	`Table of n, a(n) for n=1..78.`
	FORMULA	`a(n) = (n+1+(2/3)(4^e_4-1)+(-1)^e_2(n-1-2*(4^e_4-1)))/2 where e_4=floor(log[4](n)) and e_2=floor(log[2](n))=floor(log[4](n^2)) - Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Feb 22 2003`
	CROSSREFS	`Sequence in context: A168092 A210032 A093392 * A094699 A194259 A102676` `Adjacent sequences: A079944 A079945 A079946 * A079948 A079949 A079950`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane, Feb 22 2003`
	STATUS	`approved`

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Last modified June 17 23:56 EDT 2013. Contains 226327 sequences.