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!)
A093398 Absolute value of difference between counts of uninterrupted runs of 2 nonprimes in A093185 and A093186. 5
1, 0, 3, 2, 43, 85, 42, 36, 3823, 192, 5114, 2797, 148220 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
FORMULA
Take the absolute value of differences between counts of runs of 2 nonprimes congruent to 1 mod 4 and 3 mod 4
EXAMPLE
a(3)=3 because in A093185 the count is 33 and in A093186 the count is 36. 36-33=3.
CROSSREFS
Sequence in context: A260888 A065085 A321169 * A002680 A009395 A339513
KEYWORD
nonn,more
AUTHOR
Enoch Haga, Mar 30 2004
EXTENSIONS
a(9)-a(13) from Robert Price, May 30 2019
STATUS
approved

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 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)