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A273735
Number of permutations of n elements divided by the number of 7-ary heaps on n+1 elements.
2
1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 16, 24, 32, 40, 48, 56, 64, 128, 192, 256, 320, 384, 448, 512, 1024, 1536, 2048, 2560, 3072, 3584, 4096, 8192, 12288, 16384, 20480, 24576, 28672, 32768, 65536, 98304, 131072, 163840, 196608, 229376, 262144, 524288
OFFSET
0,9
LINKS
Wikipedia, D-ary heap
FORMULA
a(n) = A000142(n)/A273694(n+1).
CROSSREFS
Column k=7 of A273730.
Sequence in context: A032887 A023790 A032943 * A257735 A269356 A269358
KEYWORD
nonn
AUTHOR
Alois P. Heinz, May 28 2016
STATUS
approved