|
| |
| |
|
|
|
1, 4, 22, 118, 610, 3094, 15562, 77998, 390370, 1952614, 9764602, 48826078, 244136530, 1220694934, 6103499242, 30517545358, 152587825090, 762939322054, 3814697003482, 19073485803838, 95367430592050, 476837156105974
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
LINKS
| Index entries for sequences related to linear recurrences with constant coefficients, signature (8,-17,10).
|
|
|
FORMULA
| G.f.: 1/(1-5*x)-1/(1-2*x)+1/(1-x). E.g.f.: e^(5*x)-e^(2*x)+e^x.
a(n)=7*a(n-1)-10*a(n-2)+4 with a(0)=1, a(1)=4 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jul 21 2010]
|
|
|
CROSSREFS
| Cf. A074501, A020515, A155588, A155590, A155592, A155593, A155594
Sequence in context: A085939 A192470 A106835 * A025569 A098834 A065983
Adjacent sequences: A155593 A155594 A155595 * A155597 A155598 A155599
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 25 2009
|
| |
|
|
