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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A037661 Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,0. 0
3, 16, 80, 403, 2016, 10080, 50403, 252016, 1260080, 6300403, 31502016, 157510080, 787550403, 3937752016, 19688760080, 98443800403, 492219002016, 2461095010080, 12305475050403, 61527375252016, 307636876260080 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..21.

Index entries for linear recurrences with constant coefficients, signature (5,0,1,-5).

FORMULA

G.f.: x*(3+x) / ( (x-1)*(5*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015

MATHEMATICA

Module[{nn=30, c}, c=PadRight[{}, nn, {3, 1, 0}]; Table[FromDigits[Take[c, n], 5], {n, nn}]] (* Harvey P. Dale, Feb 19 2013 *)

CROSSREFS

Sequence in context: A053572 A055842 A037773 * A290587 A072615 A020871

Adjacent sequences:  A037658 A037659 A037660 * A037662 A037663 A037664

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling

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 25 15:02 EDT 2019. Contains 321470 sequences. (Running on oeis4.)