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A131305 2*A122288 - A000012. 0
1, 3, 1, 5, 5, 1, 7, 3, 3, 1, 9, 15, 5, 3, 1, 11, 13, 7, 5, 3, 1, 13, 11, 11, 9, 5, 3, 1, 15, 7, 9, 7, 9, 5, 3, 1, 17, 9, 13, 11, 11, 11, 5, 3, 1, 19, 43, 15, 13, 7, 9, 11, 5, 3, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..54.

FORMULA

2*A122288(deleting the right border of zeros) - A000012.

EXAMPLE

First few rows of the triangle are:

1;

3, 1;

5, 5, 1;

7, 3, 3, 1;

9, 15, 5, 3, 1;

11, 13, 7, 5, 3, 1;

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

...

CROSSREFS

Cf. A122288, A122203, A131302, A131303, A131304.

Sequence in context: A210224 A131304 A131302 * A131303 A131768 A232632

Adjacent sequences:  A131302 A131303 A131304 * A131306 A131307 A131308

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Jun 27 2007

STATUS

approved

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Last modified October 23 19:54 EDT 2019. Contains 328373 sequences. (Running on oeis4.)