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Search: id:A131303
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A131303 2*A122204(deleting the right border of zeros) - A000012. +0
3
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; listen)
OFFSET

1,2

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 this_sequence A131768 A084533 A082985

Adjacent sequences: A131300 A131301 A131302 this_sequence A131304 A131305 A131306

KEYWORD

nonn,tabl

AUTHOR

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

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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