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

 

Logo

Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A134700 A000012 * A051731^2. 1
1, 3, 1, 5, 1, 1, 8, 3, 1, 1, 10, 3, 1, 1, 1, 14, 5, 3, 1, 1, 1, 16, 5, 3, 1, 1, 1, 1, 20, 8, 3, 3, 1, 1, 1, 1, 23, 8, 5, 3, 1, 1, 1, 1, 127, 10, 5, 3, 3, 1, 1, 1, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Left column = A006218. Row sums = A061201: (1, 4, 7, 13, 16, 25, 28,...). A134699 = A127170 * A000012

LINKS

Table of n, a(n) for n=1..54.

FORMULA

A000012 * A051731^2 = A000012 * A127170

EXAMPLE

First few rows of the triangle are:

1;

3, 1;

5, 1, 1;

8, 3, 1, 1;

10, 3, 1, 1, 1;

14, 5, 3, 1, 1, 1;

16, 5, 3, 1, 1, 1, 1;

20, 8, 3, 3, 1, 1, 1, 1;

23, 8, 5, 3, 1, 1, 1, 1, 1;

...

CROSSREFS

Cf. A127170, A051731, A006218, A061201, A134699.

Sequence in context: A171232 A093423 A227507 * A085407 A016475 A037227

Adjacent sequences:  A134697 A134698 A134699 * A134701 A134702 A134703

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Nov 07 2007

STATUS

approved

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

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

Last modified September 21 11:48 EDT 2014. Contains 247025 sequences.