VOOZH
about
URL: https://oeis.org/A307931
⇱ A307931 - OEIS
login
A307931
Number of (undirected) Hamiltonian cycles in the n-triangular honeycomb bishop graph.
1
0, 0, 1, 21, 7536, 29163712, 1616695637120, 1457789611468301056
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,4
LINKS
Table of n, a(n) for n=1..8.
Eric Weisstein's World of Mathematics,
Hamiltonian Cycle
CROSSREFS
Cf.
A290774
,
A290782
,
A308145
.
Sequence in context:
A178327
A231906
A250063
*
A270873
A263278
A176446
Adjacent sequences:
A307928
A307929
A307930
*
A307932
A307933
A307934
KEYWORD
nonn
,
hard
,
more
AUTHOR
Eric W. Weisstein
, May 06 2019
EXTENSIONS
a(8) from
Andrew Howroyd
, Feb 10 2020
STATUS
approved
