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A080231 Engel expansion for (negative) constant defined in A078756. 0
-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; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..30.

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: A211546 A093514 A215810 * A217493 A125774 A062410

Adjacent sequences:  A080228 A080229 A080230 * A080232 A080233 A080234

KEYWORD

sign

AUTHOR

Jon Perry, Feb 08 2003

STATUS

approved

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Last modified June 22 20:16 EDT 2021. Contains 345388 sequences. (Running on oeis4.)