Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A131302
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A131302 2*A122203 - A000012. +0
4
1, 3, 1, 5, 5, 1, 7, 3, 3, 1, 9, 13, 5, 3, 1, 11, 15, 7, 5, 3, 1, 13, 11, 11, 9, 5, 3, 1, 15, 9, 9, 7, 9, 5, 3, 1, 17, 7, 13, 11, 11, 11, 5, 3, 1, 19, 33, 15, 13, 7, 9, 11, 5, 3, 1 (list; table; graph; listen)
OFFSET

1,2

FORMULA

2*A122203(deleting the right border of zeros) - A000012.

EXAMPLE

Row 4 = (7, 3, 3, 1) = 2*(4, 2, 2, 1) - (1, 1, 1, 1). First few rows of the triangle are:

1;

3, 1;

5, 5, 1;

7, 3, 3, 1;

9, 13, 5, 3, 1;

11, 15, 7, 5, 3, 1;

13, 11, 11 9, 5, 3, 1;

...

CROSSREFS

Cf. A122203, A000012.

Sequence in context: A096975 A135184 A131304 this_sequence A131305 A131303 A131768

Adjacent sequences: A131299 A131300 A131301 this_sequence A131303 A131304 A131305

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 27 2007

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


AT&T Labs Research