A140949 a(n) = number of iterations of k -> k-1/k until we reach a negative number, starting at n.

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

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