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

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A028919 Congruent to 0, 6, 10, 12 (mod 14). 0
0, 6, 10, 12, 14, 20, 24, 26, 28, 34, 38, 40, 42, 48, 52, 54, 56, 62, 66, 68, 70, 76, 80, 82, 84, 90, 94, 96, 98, 104, 108, 110, 112, 118, 122, 124, 126, 132, 136, 138, 140, 146, 150, 152, 154, 160, 164, 166, 168, 174, 178, 180, 182, 188, 192, 194, 196, 202, 206, 208, 210, 216, 220, 222, 224, 230, 234, 236 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..68.

Index to sequences with linear recurrences with constant coefficients, signature (1,0,0,1,-1).

FORMULA

a(n) = 2*A047328(n). G.f. 2*x^2*(3+2*x+x^2+x^3) / ( (1+x)*(x^2+1)*(x-1)^2 ). - R. J. Mathar, Oct 08 2011

MATHEMATICA

With[{c=14*Range[0, 20]}, Union[Flatten[{c, c+6, c+10, c+12}]]] (* Harvey P. Dale, Dec 25 2011 *)

CROSSREFS

Sequence in context: A036348 A100368 A128691 * A134620 A108315 A134616

Adjacent sequences:  A028916 A028917 A028918 * A028920 A028921 A028922

KEYWORD

nonn

AUTHOR

Jan.Hagberg(AT)stat.su.se

EXTENSIONS

Corrected by R. J. Mathar, Oct 08 2011

STATUS

approved

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

Content is available under The OEIS End-User License Agreement .

Last modified December 22 12:47 EST 2014. Contains 252356 sequences.