

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
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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



