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A131243 A065941^2. 3
1, 2, 1, 3, 2, 1, 5, 4, 4, 1, 8, 7, 10, 4, 1, 13, 12, 23, 12, 6, 1, 21, 20, 48, 29, 21, 6, 134, 33, 96, 64, 62, 24, 8, 1, 55, 54, 185, 132, 160, 74, 36, 8, 1, 89, 88, 348, 261, 382, 200, 130, 40, 10, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Left border, Fibonacci numbers; next border to the right, (Fibonacci numbers - 1). Row sums = A131244: (1, 3, 6, 14, 30, 67, 146,...).

LINKS

Table of n, a(n) for n=0..53.

FORMULA

A065941^2 as an infinite lower triangular matrix.

EXAMPLE

First few rows of the triangle are:

1;

2, 1;

3, 2, 1;

5, 4, 4, 1;

8, 7, 10, 4, 1;

13, 12, 23, 12, 6, 1;

21, 20, 48, 29, 29, 21, 6, 1;

...

CROSSREFS

Cf. A065941, A131244, A131245, A131246.

Sequence in context: A246105 A211980 A171730 * A038497 A091355 A131245

Adjacent sequences:  A131240 A131241 A131242 * A131244 A131245 A131246

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Jun 22 2007

STATUS

approved

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Last modified April 17 03:37 EDT 2021. Contains 343059 sequences. (Running on oeis4.)