login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A130459 A059268 * A097806. 2
1, 3, 2, 3, 6, 4, 3, 6, 12, 8, 3, 6, 12, 24, 16, 3, 6, 12, 24, 48, 32, 3, 6, 12, 24, 48, 96, 64, 3, 6, 12, 24, 48, 96, 192, 128, 3, 6, 12, 24, 48, 96, 192, 384, 256 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row sums = A036563 starting (1, 5, 13, 29, 61, 125,...).

LINKS

Table of n, a(n) for n=1..45.

FORMULA

A059268 * A097806 as infinite lower triangular matrices. A059268 = [1; 1,2; 1,2,4;...]. A097806 = the pairwise operator.

EXAMPLE

First few rows of the triangle are:

1;

3, 2;

3, 6, 4;

3, 6, 12, 8;

3, 6, 12, 24, 16;

3, 6, 12, 24, 48, 32;

...

CROSSREFS

Cf. A059268, A097806, A036563.

Sequence in context: A113128 A220075 A266593 * A323621 A144216 A127938

Adjacent sequences:  A130456 A130457 A130458 * A130460 A130461 A130462

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, May 26 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 January 29 04:57 EST 2020. Contains 331335 sequences. (Running on oeis4.)