A273695 Number of 8-ary heaps on n elements.
1, 1, 1, 2, 6, 24, 120, 720, 5040, 40320, 181440, 1209600, 9979200, 95800320, 1037836800, 12454041600, 163459296000, 2324754432000, 19760412672000, 237124952064000, 3379030566912000, 54064489070592000, 946128558735360000, 17841281393295360000
Offset: 0
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 0..474
- Wikipedia, D-ary heap
Crossrefs
Column k=8 of A273693.