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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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified September 25 20:01 EDT 2020. Contains 337344 sequences. (Running on oeis4.)