

A123507


Lengths of bit runs in A123506.


3



1, 2, 1, 3, 1, 1, 2, 2, 3, 2, 4, 3, 5, 5, 5, 7, 8
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

2,2


COMMENTS

The sequence uses operations based on the second nontrivial Riemann zero: (1/2 + i*t), t = 21.022039639... A123504 and A123505 use the first nontrivial zero.


REFERENCES

John Derbyshire, Prime Obsession, Bernhard Riemann and the Greatest Unsolved Problem in Mathematics, Plume  a Penguin Group, NY, 2003, pp. 198199.


LINKS

Table of n, a(n) for n=2..18.


FORMULA

Record the numbers of consecutive bit runs of A123506.


EXAMPLE

a(4) = 3 since A123506 = 0, 1, 1, 0, 1, 1, 1, ...


CROSSREFS

Cf. A100060, A102522, A102523, A123504, A123505, A123506.
Sequence in context: A138618 A140583 A237266 * A188804 A122580 A265332
Adjacent sequences: A123504 A123505 A123506 * A123508 A123509 A123510


KEYWORD

nonn,more


AUTHOR

Gary W. Adamson, Oct 01 2006


STATUS

approved



