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A230307 a(n) = 139*n^2 - 2307*n + 3331. 1
3331, 1163, -727, -2339, -3673, -4729, -5507, -6007, -6229, -6173, -5839, -5227, -4337, -3169, -1723, 1, 2003, 4283, 6841, 9677, 12791, 16183, 19853, 23801, 28027, 32531, 37313, 42373, 47711, 53327, 59221, 65393, 71843, 78571, 85577, 92861, 100423, 108263 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

|a(n)| are distinct noncomposite numbers for n = 0 to 35.

The values of this polynomial are never divisible by a prime less than 53.

LINKS

Arkadiusz Wesolowski, Table of n, a(n) for n = 0..1000

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

FORMULA

G.f.: (3331 - 8830*x + 5777*x^2)/(1 - x)^3.

MAPLE

seq(139*n^2-2307*n+3331, n=0..37);

MATHEMATICA

Table[139*n^2 - 2307*n + 3331, {n, 0, 37}]

PROG

(MAGMA) [139*n^2-2307*n+3331 : n in [0..37]];

(PARI) for(n=0, 37, print1(139*n^2-2307*n+3331, ", "));

CROSSREFS

Sequence in context: A253865 A253538 A147881 * A043504 A251331 A261656

Adjacent sequences:  A230304 A230305 A230306 * A230308 A230309 A230310

KEYWORD

sign,easy

AUTHOR

Arkadiusz Wesolowski, Oct 29 2013

STATUS

approved

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Last modified June 24 07:19 EDT 2017. Contains 288697 sequences.