A140949 - OEIS

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A140949

a(n) = number of iterations of k -> k-1/k until we reach a negative number, starting at n.

0

3, 6, 10, 14, 20, 26, 34, 43, 52, 63, 74, 87, 100, 115, 130, 147, 164, 183, 202, 223, 244, 267, 290, 315, 341, 367, 395, 423, 453, 483, 515, 547, 581, 615, 651, 687, 725, 763, 803, 843, 885, 927, 971, 1015, 1061, 1107, 1155, 1203, 1253, 1303, 1355, 1407, 1461

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,1

LINKS

Table of n, a(n) for n=2..54.

EXAMPLE

a(2)=3 because 2-1/2=1.5; 1.5-1/1.5=0.83333; 0.83333-1/0.83333=-0.36667.

CROSSREFS

Sequence in context: A244360 A183863 A372637 * A025206 A049989 A330258

Adjacent sequences: A140946 A140947 A140948 * A140950 A140951 A140952

KEYWORD

easy,nonn

AUTHOR

Gil Broussard, Jul 25 2008

STATUS

approved