

A118010


Difference row triangle of A118009.


0



2, 1, 3, 2, 3, 6, 1, 3, 6, 12, 1, 2, 5, 11, 23, 4, 5, 7, 12, 23, 46, 1, 5, 10, 17, 29, 52, 98, 1, 2, 7, 17, 34, 63, 115, 213, 6, 7, 9, 16, 33, 67, 130, 245, 458
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OFFSET

1,1


COMMENTS

Leftmost column = continued fraction form of e: (2, 1, 2, 1, 1, 4...); (A003417). Right border = A118009, binomial transform of A003417.


LINKS

Table of n, a(n) for n=1..45.


FORMULA

Diagonals of the triangle are difference rows of A118009


EXAMPLE

First few rows of the triangle are:
2;
1, 3;
2, 3, 6;
1, 3, 6, 12;
1, 2, 5, 11, 23;
4, 5, 7, 12, 23, 46;
1, 5, 10, 17, 29, 52, 98;
...Example: the diagonal (1, 3, 6, 11, 23...) is the first difference row of A118009: (2, 3, 6, 12, 23...).


CROSSREFS

Cf. A003417, A118009.
Sequence in context: A072515 A318747 A297367 * A318730 A259974 A243561
Adjacent sequences: A118007 A118008 A118009 * A118011 A118012 A118013


KEYWORD

nonn


AUTHOR

Gary W. Adamson, Apr 09 2006


STATUS

approved



