login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A026822 CONTINUANT transform of Fibonacci number 1, 1, 2, 3, 5, 8, ... 2
1, 2, 5, 17, 90, 737, 9671, 203828, 6939823, 381894093, 33995514100, 4895735924493, 1140740465920969, 430064051388129806, 262340212087225102629, 258930219394142564424629, 413511822712657762611235142, 1068514808819727052729996031557, 4467460829187101520121876019174959 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..75

N. J. A. Sloane, Transforms

MAPLE

with(combinat):

a:= proc(n) option remember; `if`(n<0, 0,

      `if`(n=0, 1, fibonacci(n) *a(n-1) +a(n-2)))

    end:

seq(a(n), n=1..20);  # Alois P. Heinz, Aug 06 2013

MATHEMATICA

a[n_] := a[n] = If[n<0, 0, If[n==0, 1, Fibonacci[n] a[n-1] + a[n-2]]];

Array[a, 20] (* Jean-Fran├žois Alcover, Nov 09 2020, after Maple *)

CROSSREFS

Sequence in context: A216519 A245108 A195137 * A059248 A203006 A143878

Adjacent sequences:  A026819 A026820 A026821 * A026823 A026824 A026825

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 10 2002

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 26 13:59 EDT 2022. Contains 354092 sequences. (Running on oeis4.)