A167618 - OEIS

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A167618

Convolution of A010054 with A052343.

1

1, 2, 2, 3, 3, 2, 4, 5, 2, 4, 5, 3, 6, 5, 3, 4, 8, 5, 4, 6, 2, 9, 8, 4, 6, 6, 5, 7, 8, 3, 8, 11, 6, 4, 8, 5, 7, 12, 5, 9, 7, 5, 10, 8, 6, 8, 12, 5, 9, 12, 3, 10, 14, 3, 6, 8, 10, 14, 11, 8, 6, 14, 5, 7, 9, 8, 15, 14, 5, 6, 14, 8, 13, 11, 6, 9, 15, 8, 8, 15, 5, 12, 17, 6, 15, 8, 8, 16, 9, 6, 7, 19, 8, 15

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

OFFSET

0,2

COMMENTS

a(n) = SUM(A010054(k)*A052343(n-k): 0<=k<=n);

A002636(n) <= a(n).

LINKS

Table of n, a(n) for n=0..93.

CROSSREFS

Sequence in context: A327487 A105496 A339575 * A211707 A303363 A045796

Adjacent sequences: A167615 A167616 A167617 * A167619 A167620 A167621

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Nov 07 2009

STATUS

approved