login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A131344 A046854 * A065941. 1
1, 2, 1, 3, 2, 1, 5, 4, 3, 1, 8, 7, 8, 3, 1, 13, 12, 18, 9, 4, 1, 21, 20, 38, 21, 14, 4, 1, 34, 33, 76, 47, 39, 15, 5, 1, 55, 54, 147, 97, 100, 43, 21, 5, 1, 89, 88, 277, 194, 236, 115, 69, 22, 6, 1 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

Left border = Fibonacci numbers starting with F(2). Row sums = A131246: (1, 3, 6, 13, 27, 57,...). A131345 = A065941 * A046854.

FORMULA

A046854 * A065941 as infinite lower triangular matrices.

EXAMPLE

First few rows of teh triangle are:

1;

2, 1;

3, 2, 1;

5, 4, 3, 1;

8, 7, 8, 3, 1;

13, 12, 18, 9, 4, 1;

...

CROSSREFS

Cf. A046854, A065941, A131246, A131345.

Sequence in context: A119441 A058399 A058400 * A129262 A171730 A131243

Adjacent sequences:  A131341 A131342 A131343 * A131345 A131346 A131347

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 30 2007

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 18:43 EST 2012. Contains 205939 sequences.