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A280887
Number of set partitions of [n] into exactly nine blocks where sizes of distinct blocks are coprime.
1
1, 45, 165, 8415, 1287, 195195, 366795, 22046310, 2358070, 693870606, 39982878, 7765924530, 19829897010, 1474459789770, 4013220090, 63387586762335, 769009559175, 106739428871075, 85029993637875, 28720696235896665, 574973722599705, 581923529546044725
OFFSET
9,2
CROSSREFS
Column k=9 of A280880.
Sequence in context: A061658 A254147 A271737 * A158630 A158634 A091197
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jan 09 2017
STATUS
approved