A140287 -id:A140287 - cp's OEIS frontend

A140289 First quadrisection of A140287.

0, 0, 1, -7, 32, -120, 401, -1247, 3712, -10800, 31201, -90487, 264992, -784680, 2345201, -7051727, 21263872, -64145760, 193310401, -581652967, 1747480352, -5243918040, 15725054801, -47140982207, 141319714432, -423717125520, 1270699466401, -3811500847447, 11434371886112, -34305580792200, 102927256193201, -308811498176687

Offset: 0

Paul Curtz, May 24 2008

Index entries for linear recurrences with constant coefficients, signature (-7,-17,-15).

LinearRecurrence[{-7,-17,-15},{0,0,1},40] (* Harvey P. Dale, Mar 16 2015 *)

a(n)=-7a(n-1)-17a(n-2)-15a(n-3).

G.f.: x^2/((3*x + 1)*(5*x^2 + 4*x + 1)). - Colin Barker, Jul 10 2012

More terms from Colin Barker, Jul 10 2012

A140290 Fourth quadrisection of A140287.

Original entry on oeis.org

-1, 2, -4, 9, -25, 82, -284, 969, -3185, 10082, -30964, 93129, -276745, 818482, -2421644, 7188489, -21428705, 64121282, -192388324, 578087049, -1737827065, 5223134482, -15690187004, 47105428809, -141351839825, 424023394082, -1271763913684

Offset: 0

Paul Curtz, May 24 2008

Index entries for linear recurrences with constant coefficients, signature (-7,-17,-15).

Cf. A127055; .

a(n)=-7a(n-1)-17a(n-2)-15a(n-3).

G.f.: -(7*x^2+5*x+1)/((3*x+1)*(5*x^2+4*x+1)). - Colin Barker, Jul 10 2012

More terms from Colin Barker, Jul 10 2012

cp's OEIS Frontend

A140289 First quadrisection of A140287.

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