|
| |
| |
|
|
|
1, 4, 46, 514, 5266, 51274, 484786, 4503034, 41367106, 377342794, 3426318226, 31018262554, 280252754146, 2528805134314, 22798428290866, 205420947110074, 1850199078944386, 16660255040221834, 149993075340330706
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
FORMULA
| G.f.: 1/(1-9*x)-1/(1-6*x)+1/(1-x). E.g.f.: e^(9*x)-e^(6*x)+e^x.
a(n)=15*a(n-1)-54*a(n-2)+40 with a(0)=1, a(1)=4 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jul 21 2010]
|
|
|
CROSSREFS
| A155628, A155629, A155630, A155631, A155632, A155633, A155634, A155635, A155636, A155637, A155638, A155639, A155640, A155641, A155642, A155643, A155644, A155645, A155646, A155647, A155648, A155649, A155650, A155651
Sequence in context: A173716 A097952 A097643 * A197131 A113264 A126739
Adjacent sequences: A155649 A155650 A155651 * A155653 A155654 A155655
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 31 2009
|
| |
|
|
