A117074 Number at start of segment n of A117073.

1, 4, 9, 20, 40, 82, 166, 334, 670, 1340, 2682, 5366, 10734, 21470, 42942, 85886, 171774

Offset

1,2

References

N. J. A. Sloane and Allan Wilks, On sequences of Recaman type, paper in preparation, 2006.

Links

Table of n, a(n) for n=1..17.

Crossrefs

Sequence in context: A268235 A192956 A023607 * A072934 A084639 A272268

Adjacent sequences: A117071 A117072 A117073 * A117075 A117076 A117077

Keyword

nonn

Author

N. J. A. Sloane, Apr 17 2006

Status

approved