|
Search: id:A104522
|
|
|
| A104522 |
|
Expansion of (-1+x+3*x^2-x^3)/((x+1)(3*x-1)(x-1)^2). |
|
+0 1
|
|
| 1, 3, 7, 19, 53, 155, 459, 1371, 4105, 12307, 36911, 110723, 332157, 996459, 2989363, 8968075, 26904209, 80712611, 242137815, 726413427, 2179240261, 6537720763, 19613162267, 58839486779, 176518460313, 529555380915, 1588666142719
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
COMMENT
|
A floretion-generated sequence relating to A081250 (Numbers n such that A081249(m)/m^2 has a local minimum for m = n).
|
|
FORMULA
|
a(n+2) - 2a(n+1) + a(n) = A081250(n+1) - A081250(n)
|
|
PROGRAM
|
Floretion Algebra Multiplication Program, FAMP Code: 1famforrokseq[ - .5'j + .5'k - .5j' + .5k' - 'ii' - .5'ij' - .5'ik' - .5'ji' - .5'ki'], see link "Sequences in Context" for details on "roktype".
|
|
CROSSREFS
|
Cf. A081250, A105792.
Sequence in context: A007575 A026299 A078481 this_sequence A115760 A100702 A147586
Adjacent sequences: A104519 A104520 A104521 this_sequence A104523 A104524 A104525
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Apr 20 2005
|
|
|
Search completed in 0.002 seconds
|