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A023034 Number of compositions of n into 9 ordered relatively prime parts. 2
1, 9, 45, 165, 495, 1287, 3003, 6435, 12870, 24309, 43758, 75573, 125970, 203445, 319770, 490149, 735471, 1081080, 1562274, 2218788, 3108105, 4289133, 5852925, 7882290, 10518255, 13871286, 18156204, 23511345, 30260340, 38564262, 48902997 (list; graph; refs; listen; history; text; internal format)
OFFSET

9,2

LINKS

Table of n, a(n) for n=9..39.

N. J. A. Sloane, Transforms

FORMULA

Moebius transform of C(n-1, 8)

CROSSREFS

Sequence in context: A306942 A289354 A008491 * A000581 A306939 A229889

Adjacent sequences:  A023031 A023032 A023033 * A023035 A023036 A023037

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified October 23 02:09 EDT 2019. Contains 328335 sequences. (Running on oeis4.)