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A131270 2*A046854 - A000012. 2
1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 5, 1, 1, 1, 5, 5, 7, 1, 1, 1, 5, 11, 7, 9, 1, 1, 1, 7, 11, 19, 9, 11, 1, 1, 7, 19, 19, 29, 11, 13, 1, 1, 9, 19, 39, 29, 41, 13, 15, 1, 1 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,8

COMMENTS

Row sums = A131269: (1, 2, 3, 6, 11, 20, 35, 60, 101, 168,...).

FORMULA

2*A046854 - A000012. Reversed triangle of A131268

EXAMPLE

First few rows of the triangle are:

1;

1, 1;

1, 1, 1;

1, 3, 1, 1;

1, 3, 5, 1, 1;

1, 5, 5, 7, 1, 1;

1, 5, 11, 7, 9, 1, 1;

1, 7, 11 19, 9, 11, 1, 1;

...

CROSSREFS

Cf. A046854, A065941, A000012, A131268, A131269.

Sequence in context: A076476 A016733 A060234 * A109223 A176246 A016466

Adjacent sequences:  A131267 A131268 A131269 * A131271 A131272 A131273

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 23 2007

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Last modified February 15 03:14 EST 2012. Contains 205694 sequences.