A023556 Convolution of A023531 and A023532.

0, 1, 0, 1, 2, 0, 2, 2, 2, 1, 3, 3, 1, 4, 2, 4, 3, 2, 4, 5, 3, 3, 5, 3, 5, 5, 5, 2, 6, 6, 4, 6, 4, 6, 5, 5, 7, 7, 4, 5, 7, 7, 5, 8, 6, 6, 8, 4, 8, 8, 8, 6, 7, 7, 7, 9, 7, 7, 9, 9, 7, 7, 7, 9, 10, 8, 8, 10, 7, 8, 10, 10, 6, 10, 10, 10, 11, 5, 11, 9, 9, 11, 11, 9, 9, 11, 10, 9, 11, 10

Offset

1,5

Links

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

Crossrefs

Sequence in context: A047917 A144569 A000360 * A238783 A044944 A339432

Adjacent sequences: A023553 A023554 A023555 * A023557 A023558 A023559

Keyword

nonn

Author

Clark Kimberling

Status

approved