A084184 - OEIS

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A084184

Partial sums of a Jacobsthal related sequence.

0, 1, 2, 7, 10, 31, 42, 127, 170, 511, 682, 2047, 2730, 8191, 10922, 32767, 43690, 131071, 174762, 524287, 699050, 2097151, 2796202, 8388607, 11184810, 33554431, 44739242, 134217727, 178956970, 536870911, 715827882, 2147483647, 2863311530 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`a(2n+1)=A083420(n). a(2n)=2A002450(n)=2A001045(2n). Partial sums of A084183.`
	FORMULA	`G.f.: x(1+2x+2x^2)((1-x^2)(1-4x^2)).`
	CROSSREFS	`Sequence in context: A066967 A032007 A091295 * A015963 A056656 A151346` `Adjacent sequences: A084181 A084182 A084183 * A084185 A084186 A084187`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 19 2003`

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Last modified February 15 10:28 EST 2012. Contains 205763 sequences.