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!)
A071545 Smallest k such that n+k divides (k+1)!+k!. 1
5, 1, 3, 4, 4, 2, 3, 4, 5, 5, 7, 3, 7, 4, 5, 5, 7, 6, 5, 4, 7, 8, 5, 6, 5, 6, 3, 7, 7, 5, 9, 4, 7, 6, 5, 9, 5, 7, 6, 8, 7, 6, 11, 4, 9, 9, 7, 8, 7, 10, 5, 8, 7, 6, 5, 7, 9, 6, 11, 10, 9, 8, 7, 8, 5, 6, 8, 4, 11, 10, 9, 8, 7, 6, 9, 8, 7, 12, 5, 10, 9, 8, 7, 6, 11, 10, 9, 8, 11, 6, 13, 8, 11, 11, 10, 9, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

sk[n_]:=Module[{k=1}, While[!Divisible[(k+1)!+k!, n+k], k++]; k]; Array[sk, 100] (* Harvey P. Dale, Aug 22 2012 *)

CROSSREFS

Sequence in context: A199074 A153457 A057778 * A197578 A115370 A327968

Adjacent sequences:  A071542 A071543 A071544 * A071546 A071547 A071548

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, May 30 2002

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 April 9 06:59 EDT 2020. Contains 333344 sequences. (Running on oeis4.)