OFFSET
0,3
COMMENTS
a(5), a(6), a(7) have 1774, 31436, 625065 decimal digits, respectively.
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..4
Wikipedia, D-ary heap
FORMULA
a(n) = A273712(n,n).
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, May 28 2016
STATUS
approved