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!)
A108035 Triangle read by rows: n-th row is n-th nonzero Fibonacci number repeated n times. 5
1, 2, 2, 3, 3, 3, 5, 5, 5, 5, 8, 8, 8, 8, 8, 13, 13, 13, 13, 13, 13, 21, 21, 21, 21, 21, 21, 21, 34, 34, 34, 34, 34, 34, 34, 34, 55, 55, 55, 55, 55, 55, 55, 55, 55, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
G.f.: (1+x+y)/((1-x-x^2)*(1-y-y^2)). [U coordinates]
EXAMPLE
1; 2,2; 3,3,3; 5,5,5,5; 8,8,8,8,8; ...
MATHEMATICA
Flatten[Table[Table[Fibonacci[n], {n-1}], {n, 13}]] (* Harvey P. Dale, Jul 18 2015 *)
PROG
(Haskell)
a108035 n k = a108035_tabl !! (n-1) !! (n-1)
a108035_row n = a108035_tabl !! (n-1)
a108035_tabl = zipWith replicate [1..] $ drop 2 a000045_list
-- Reinhard Zumkeller, Oct 07 2012
CROSSREFS
Cf. A023607 (row sums).
Sequence in context: A295629 A076272 A180101 * A202503 A049747 A260684
KEYWORD
nonn,tabl
AUTHOR
N. J. A. Sloane, Jun 01 2005
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 March 19 07:04 EDT 2024. Contains 370953 sequences. (Running on oeis4.)