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A017030 a(n) = (7*n + 4)^2. 1
16, 121, 324, 625, 1024, 1521, 2116, 2809, 3600, 4489, 5476, 6561, 7744, 9025, 10404, 11881, 13456, 15129, 16900, 18769, 20736, 22801, 24964, 27225, 29584, 32041, 34596, 37249, 40000, 42849, 45796 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

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

FORMULA

a(n) = A017029(n)^2. - Michel Marcus, Nov 11 2013

MAPLE

A017030:=n->(7*n+4)^2; seq(A017030(n), n=0..100); # Wesley Ivan Hurt, Nov 11 2013

MATHEMATICA

Table[(7n+4)^2, {n, 0, 100}] (* Wesley Ivan Hurt, Nov 11 2013 *)

PROG

(MAGMA) [(7*n+4)^2: n in [0..40] ]; // Vincenzo Librandi, Jul 16 2011

(PARI) a(n)=(7*n+4)^2 \\ Charles R Greathouse IV, Jun 17 2017

CROSSREFS

Sequence in context: A135794 A161851 A171584 * A082921 A191902 A294140

Adjacent sequences:  A017027 A017028 A017029 * A017031 A017032 A017033

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified April 24 18:03 EDT 2019. Contains 322430 sequences. (Running on oeis4.)