A117248 Number of down steps at start of segment n of A079051.

0, 0, 0, 1, 2, 3, 4, 4, 6, 5, 8, 6, 10, 7, 12, 8, 14, 9, 16, 10, 18, 11, 20, 12, 22, 13, 24, 14, 26, 15, 28, 16, 30, 17, 32, 18, 34, 19, 36, 20, 38, 21, 40, 22, 42, 23, 44, 24, 46, 25, 48, 26, 50, 27, 52, 28, 54, 29, 56, 30, 58, 31, 60, 32, 62, 33, 64, 34, 66, 35, 68, 36

Offset: 0

Author

N. J. A. Sloane, Apr 29 2006

Keywords

• nonn

References

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

Formula

Past the first few terms, this is an interleaving of 3,4,5,6,... and 0,2,4,6,8,...