|
| |
|
|
A103644
|
|
G.f. (3x+1)/(1+2x-6x^2-27x^3).
|
|
2
| |
|
|
1, 1, 4, 25, 1, 256, 169, 1225, 5476, 961, 64009, 25600, 358801, 1164241, 515524, 15642025, 3243601, 101284096, 239228089, 216825625, 3736387876, 287336401, 27697946329, 47210598400
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,3
|
|
|
COMMENTS
| A floretion-generated sequence of squares.
This sequence is also related to several other sequences of squares.
|
|
|
LINKS
| Index entries for sequences related to linear recurrences with constant coefficients
Creighton Dement, Online Floretion Multiplier [From Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), May 24 2009]
|
|
|
FORMULA
| a(n+3) = -2a(n+2) + 6a(n+1) + 27a(n), a(0) = 1, a(1) = 1, a(2) = 4
a(n) = (1/11)*(2*3^n-(-5/2-(I*sqrt(11))/2)^n-(-5/2+(I*sqrt(11))/2)^n) [From Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), May 24 2009]
|
|
|
PROG
| Floretion Algebra Multiplication Program, FAMP.
|
|
|
CROSSREFS
| Cf. A103645.
Sequence in context: A092435 A058230 A162187 * A082202 A051514 A103363
Adjacent sequences: A103641 A103642 A103643 * A103645 A103646 A103647
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Feb 11 2005
|
|
|
EXTENSIONS
| Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 07 2006
|
| |
|
|
