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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A129479 A054523 * A097806. 2
1, 2, 1, 2, 1, 1, 3, 1, 1, 1, 4, 0, 0, 1, 1, 4, 3, 1, 0, 1, 1, 6, 0, 0, 0, 0, 1, 1, 6, 2, 1, 1, 0, 0, 1, 1, 6, 2, 2, 0, 0, 0, 0, 1, 1, 8, 4, 0, 1, 1, 0, 0, 0, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row sums = A053158: (1, 3, 4, 6, 6, 10,...). Left column = A126246: (1, 2, 2, 3, 4, 4, 6, 6,...)

LINKS

Table of n, a(n) for n=1..55.

FORMULA

A129479 = A054523 * A097806 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

2, 1;

2, 1, 1;

3, 1, 1, 1;

4, 0, 0, 1, 1;

4, 3, 1, 0, 1, 1;

6, 0, 0, 0, 0, 1, 1;

6, 2, 1, 1, 0, 0, 1, 1;

...

CROSSREFS

Cf. A054523, A097806, A053158, A126246.

Sequence in context: A078996 A084610 A303336 * A261095 A249809 A075104

Adjacent sequences:  A129476 A129477 A129478 * A129480 A129481 A129482

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Apr 17 2007

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 20 00:47 EDT 2019. Contains 324223 sequences. (Running on oeis4.)