login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A151910 First differences of A001682. 2
21, 21, 23, 21, 23, 21, 21, 23, 21, 23, 21, 23, 21, 21, 23, 21, 23, 21, 23, 21, 21, 23, 21, 23, 21, 23, 21, 21, 23, 21, 23, 21, 23, 21, 21, 23, 21, 23, 21, 23, 21, 21, 23, 21, 23, 21, 23, 21, 21, 23, 21, 23, 21, 23, 21, 21, 23 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = A001682(n+1) - A001682(n).

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

PROG

(Haskell)

a151910 n = a151910_list !! (n-1)

a151910_list = zipWith (-) (tail a001682_list) a001682_list

-- Reinhard Zumkeller, Oct 10 2011

CROSSREFS

Sequence in context: A291433 A010860 A158772 * A040421 A022355 A048245

Adjacent sequences:  A151907 A151908 A151909 * A151911 A151912 A151913

KEYWORD

nonn

AUTHOR

Harvey P. Dale, Aug 08 2009

EXTENSIONS

Offset corrected and initial term added by Reinhard Zumkeller, Oct 10 2011

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 29 21:32 EDT 2020. Contains 333117 sequences. (Running on oeis4.)