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A023555 Self-convolution of A023531. 0
0, 0, 1, 0, 0, 2, 0, 0, 1, 2, 0, 0, 2, 0, 2, 0, 1, 2, 0, 0, 2, 2, 0, 2, 0, 0, 1, 4, 0, 0, 2, 0, 2, 0, 2, 2, 0, 0, 3, 2, 0, 0, 2, 0, 2, 2, 0, 4, 0, 0, 0, 2, 1, 2, 2, 0, 2, 2, 0, 0, 2, 2, 2, 0, 0, 2, 2, 0, 3, 2, 0, 0, 4, 0, 0, 0, 0, 6, 0, 2, 2, 0, 0, 2, 2, 0, 1, 2, 0, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Table of n, a(n) for n=1..90.

CROSSREFS

Sequence in context: A112171 A112172 A093085 * A294203 A143380 A143377

Adjacent sequences:  A023552 A023553 A023554 * A023556 A023557 A023558

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 21 15:31 EST 2019. Contains 320374 sequences. (Running on oeis4.)