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A131303 2*A122204(deleting the right border of zeros) - A000012. 2
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, 115, 7, 9, 7, 9, 5, 3, 1, 17, 9, 13, 11, 11, 11, 5, 3, 1, 19, 43, 15, 13, 7, 7, 7, 5, 3, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

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. A122204, A000012, A122203, A131302.

Sequence in context: A131304 A131302 A131305 * A131768 A232632 A084533

Adjacent sequences:  A131300 A131301 A131302 * A131304 A131305 A131306

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Jun 27 2007

STATUS

approved

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Last modified October 18 20:12 EDT 2019. Contains 328197 sequences. (Running on oeis4.)