A080231 - OEIS

This site is supported by donations to The OEIS Foundation.

A080231

Engel expansion for (negative) constant defined in A078756.

-1, -2, -3, -4, -9, -11, -17, -82, -86, -89, -259, -1031, -1493, -3088, -18107, -3128320, -4245574, -4430458, -6692218, -6908807, -20282631, -55597679, -73203786, -80410013, -92821351, -192936649, -5039379072, -30234138756, -55272287466, -202248991637 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	FORMULA	`See A006784 for definition of Engel expansion`
	PROG	`(PARI) x=vector(31); a=vector(30); x[1]=-0.62923321313860758778445822033246963679442280615921 for (i=1, 30, a[i]=ceil(1/x[i]); x[i+1]=x[i]*a[i]-1); x`
	CROSSREFS	`Cf. A006784, A078756, A080320.` `Sequence in context: A068334 A118223 A093514 * A125774 A062410 A145772` `Adjacent sequences: A080228 A080229 A080230 * A080232 A080233 A080234`
	KEYWORD	`sign`
	AUTHOR	`Jon Perry (perry(AT)globalnet.co.uk), Feb 08 2003`

Content is available under The OEIS End-User License Agreement .

Last modified February 15 11:14 EST 2012. Contains 205763 sequences.