login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A237347 First differences of A078633. 4
3, 3, 2, 3, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = A078633(n+1) - A078633(n);

2 <= a(n) <= 3;

a(A049068(n)) = 2; a(A002620(n)) = 3;

A237347(n) = abs(A167752(n)) + 2.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a237347 n = a237347_list !! (n-1)

a237347_list = zipWith (-) (tail a078633_list) a078633_list

CROSSREFS

Sequence in context: A228483 A274709 A260896 * A075017 A060586 A076662

Adjacent sequences:  A237344 A237345 A237346 * A237348 A237349 A237350

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Mar 18 2014

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified February 22 04:15 EST 2018. Contains 299429 sequences. (Running on oeis4.)