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A258287
Number of partitions of 9 copies of n into distinct parts.
1
1, 1, 10, 14, 82, 145, 652, 1198, 4880, 9095, 33810, 61933, 212087, 405116, 1261067, 2366558, 7163718, 13477035, 37969720, 72363916, 194919282
OFFSET
17,3
FORMULA
a(n) = 1/9! * [Product_{i=1..9} x_i^n] Product_{j>0} (1+Sum_{i=1..9} x_i^j).
CROSSREFS
Column k=9 of A258280.
Sequence in context: A247091 A025122 A173684 * A254003 A219682 A167334
KEYWORD
nonn
AUTHOR
Alois P. Heinz, May 25 2015
STATUS
approved