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

Author

N. J. A. Sloane, Apr 17 2006

Keywords

• nonn

References

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