A225568 - OEIS

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A225568

Number of entries in each row of the irregular triangles specified in A225777 and A225542.

3

1, 1, 2, 1, 2, 5, 1, 3, 5, 10, 1, 3, 6, 10, 17, 1, 4, 9, 12, 17, 26, 1, 4, 9, 14, 19, 26, 37, 1, 5, 10, 19, 22, 29, 29, 50

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

OFFSET

1,3

LINKS

Table of n, a(n) for n=1..36.

EXAMPLE

The 6th rows of A225777 and A225542, that is, when n = 3 and k = 3, both contain 5 entries, so a(6) = 5.

CROSSREFS

Cf. A225777, A225542.

Sequence in context: A210223 A361600 A242598 * A291694 A135506 A295516

Adjacent sequences: A225565 A225566 A225567 * A225569 A225570 A225571

KEYWORD

nonn

AUTHOR

Christopher Hunt Gribble, Jul 28 2013

STATUS

approved