A017644 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A017644

(12n+10)^4.

10000, 234256, 1336336, 4477456, 11316496, 24010000, 45212176, 78074896, 126247696, 193877776, 285610000, 406586896, 562448656, 759333136, 1003875856, 1303210000, 1664966416, 2097273616

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

Table of n, a(n) for n=0..17.

Index entries for linear recurrences with constant coefficients, signature (5, -10, 10, -5, 1).

FORMULA

a(0)=10000, a(1)=234256, a(2)=1336336, a(3)=4477456, a(4)=11316496, a(n)=5*a(n-1)-10*a(n-2)+10*a(n-3)-5*a(n-4)+a(n-5). - Harvey P. Dale, Jan 22 2016

MATHEMATICA

(12*Range[0, 20]+10)^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {10000, 234256, 1336336, 4477456, 11316496}, 20] (* Harvey P. Dale, Jan 22 2016 *)

CROSSREFS

Sequence in context: A017272 A017512 A096968 * A250440 A013857 A091566

Adjacent sequences: A017641 A017642 A017643 * A017645 A017646 A017647

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved