A017418 (11n+2)^6.

64, 4826809, 191102976, 1838265625, 9474296896, 34296447249, 98867482624, 243087455521, 531441000000, 1061520150601, 1973822685184, 3462825991689, 5789336458816, 9294114390625, 14412774445056

Offset

0,1

Links

Table of n, a(n) for n=0..14.

Index entries for linear recurrences with constant coefficients, signature (7, -21, 35, -35, 21, -7, 1).

Formula

a(0)=64, a(1)=4826809, a(2)=191102976, a(3)=1838265625, a(4)=9474296896, a(5)=34296447249, a(6)=98867482624, a(n)=7*a(n-1)-21*a(n-2)+35*a(n-3)- 35*a(n-4)+ 21*a(n-5)-7*a(n-6)+a(n-7). - Harvey P. Dale, Jun 14 2015

Mathematica

(11*Range[0, 20]+2)^6 (* or *) LinearRecurrence[{7, -21, 35, -35, 21, -7, 1}, {64, 4826809, 191102976, 1838265625, 9474296896, 34296447249, 98867482624}, 20] (* Harvey P. Dale, Jun 14 2015 *)

Crossrefs

Sequence in context: A013847 A017298 A204044 * A017550 A087928 A368806

Adjacent sequences: A017415 A017416 A017417 * A017419 A017420 A017421

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved