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A138015 Triangle read by rows, antidiagonals of an array formed by A000012 * A136579. Replace the term "n" in the correlation triangle A003983 with A003422(n). 1
1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 4, 2, 1, 1, 2, 4, 4, 2, 1, 1, 2, 4, 10, 4, 2, 1, 1, 2, 4, 10, 10, 4, 2, 1, 1, 2, 4, 10, 34, 10, 4, 2, 1, 1, 2, 4, 10, 34, 34, 10, 4, 2, 1, 1, 2, 4, 10, 34, 154, 34, 10, 4, 2, 1, 1, 2, 4, 10, 34, 154, 154, 34, 10, 4, 2, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

A003422 = (0, 1, 2, 4, 10, 34, 154,...).

Row sums = A138016: (1, 2, 4, 6, 10, 14, 24, 34, 68, 102,...).

LINKS

Table of n, a(n) for n=1..78.

EXAMPLE

First few rows of the triangle are:

1;

1, 1;

1, 2, 1;

1, 2, 2,  1;

1, 2, 4,  2,  1;

1, 2, 4,  4,  2,  1;

1, 2, 4, 10,  4,  2,  1;

1, 2, 4, 10, 10,  4,  2, 1;

1, 2, 4, 10, 34, 10,  4, 2, 1;

1, 2, 4, 10, 34, 34, 10, 4, 2, 1;

...

CROSSREFS

Cf. A136579, A138016, A003983, A003422.

Sequence in context: A159936 A238392 A144464 * A103444 A099172 A214246

Adjacent sequences:  A138012 A138013 A138014 * A138016 A138017 A138018

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Feb 28 2008

EXTENSIONS

Example corrected by Philippe Deléham, Feb 18 2013

STATUS

approved

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Last modified August 28 03:16 EDT 2015. Contains 261112 sequences.