A045999 Length of n-th term of binary Gleichniszahlen-Reihe (BGR) sequence A045998.

1, 2, 2, 4, 6, 6, 6, 8, 10, 10, 10, 10, 10, 12, 14, 14, 14, 16, 18, 18, 18, 20, 22, 22, 22, 22, 22, 22, 22, 24, 26, 26, 26, 28, 30, 30, 30, 32, 34, 34, 34, 36, 38, 38, 38, 40, 42, 42, 42, 44, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 48, 50, 50, 50, 52, 54, 54, 54, 56, 58, 58

Offset

0,2

Comments

Now we count the leading zeros, of course.

References

N. Worrick, S. Lewis and B. Shrader, A possible formula for the length of BGR sequences, Graph Theory Notes of New York, XXXVI (1999), p. 25.

Links

Table of n, a(n) for n=0..71.

Formula

Reference gives a conjectured formula.

Example

1, 11, 01, 1011, 111001, 110011, 010001, ...

Crossrefs

Cf. A045998, A048522.

Sequence in context: A107797 A316788 A038759 * A075569 A338276 A062722

Adjacent sequences: A045996 A045997 A045998 * A046000 A046001 A046002

Keyword

nonn,base,easy

Author

N. J. A. Sloane

Extensions

More terms from Patrick De Geest, Jun 15 1999

Status

approved