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A273697
Number of 10-ary heaps on n elements.
3
1, 1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 19958400, 159667200, 1556755200, 17435658240, 217945728000, 2988969984000, 44460928512000, 711374856192000, 12164510040883200, 221172909834240000, 2322315553259520000, 34060628114472960000
OFFSET
0,4
LINKS
Wikipedia, D-ary heap
CROSSREFS
Column k=10 of A273693.
Sequence in context: A232985 A319212 A276844 * A177281 A173850 A154658
KEYWORD
nonn
AUTHOR
Alois P. Heinz, May 28 2016
STATUS
approved