A168575 a(n) = (10^n + 1)^3.

8, 1331, 1030301, 1003003001, 1000300030001, 1000030000300001, 1000003000003000001, 1000000300000030000001, 1000000030000000300000001, 1000000003000000003000000001, 1000000000300000000030000000001

Offset

0,1

Links

Table of n, a(n) for n=0..10.

G. J. Simmons, On palindromic squares of non-palindromic numbers, J. Rec. Math., 5 (No. 1, 1972), 11-19. [Annotated scanned copy] See Table 4.

Index entries for linear recurrences with constant coefficients, signature (1111,-112110,1111000,-1000000).

Mathematica

Table[(10^n+1)^3, {n, 0, 25}] (* G. C. Greubel, Jul 26 2016 *)
LinearRecurrence[{1111, -112110, 1111000, -1000000}, {8, 1331, 1030301, 1003003001}, 20] (* Harvey P. Dale, Dec 31 2018 *)

Prog

(PARI) for(n=0, 12, print1((10^n+1)^3", "))

Crossrefs

Sequence in context: A247732 A162090 A017187 * A286315 A270112 A281127

Adjacent sequences: A168572 A168573 A168574 * A168576 A168577 A168578

Keyword

easy,nonn

Author

Jason Earls, Nov 30 2009

Status

approved