A017654 (12n+11)^2.

121, 529, 1225, 2209, 3481, 5041, 6889, 9025, 11449, 14161, 17161, 20449, 24025, 27889, 32041, 36481, 41209, 46225, 51529, 57121, 63001, 69169, 75625, 82369, 89401, 96721, 104329, 112225, 120409

Offset

0,1

Links

Table of n, a(n) for n=0..28.

Index entries for linear recurrences with constant coefficients, signature (3,-3,1).

Mathematica

(12*Range[0, 30]+11)^2 (* or *) LinearRecurrence[{3, -3, 1}, {121, 529, 1225}, 30] (* Harvey P. Dale, Nov 09 2020 *)

Prog

(PARI) a(n)=(12*n+11)^2 \\ Charles R Greathouse IV, Sep 20 2016

Crossrefs

Sequence in context: A110722 A236181 A077432 * A183448 A296127 A307798

Adjacent sequences: A017651 A017652 A017653 * A017655 A017656 A017657

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved