login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A263278 a(n) = length of n-th run of even terms in A259934. 4

%I #7 Nov 09 2015 16:15:18

%S 21,8480,18162,78495,1194707,1426107,6029619,325034101

%N a(n) = length of n-th run of even terms in A259934.

%H A. Karttunen, <a href="https://oeis.org/plot2a?name1=A263278&amp;name2=A262516&amp;tform1=untransformed&amp;tform2=untransformed&amp;shift=0&amp;radiop1=ratio&amp;drawlines=true">Ratio a(n)/A262516(n) drawn with OEIS Plot2-script</a>

%F a(n) = A263277((2*n)-1).

%o (Scheme) (define (A263278 n) (A263277 (+ n n -1)))

%Y Bisection of A263277.

%Y Cf. A259934, A262514, A262516.

%Y Cf. also A263253.

%K nonn,more

%O 1,1

%A _Antti Karttunen_, Nov 08 2015

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)