A290782 Number of (undirected) cycles in the n-triangular honeycomb bishop graph.

0, 0, 6, 353, 155116, 848595621, 67556125248940, 88599625785544302994

Offset

1,3

Links

Table of n, a(n) for n=1..8.

Eric Weisstein's World of Mathematics, Graph Cycle

Crossrefs

Sequence in context: A197780 A197611 A233463 * A367519 A002684 A036281

Adjacent sequences: A290779 A290780 A290781 * A290783 A290784 A290785

Keyword

nonn,more

Author

Eric W. Weisstein, Aug 10 2017

Extensions

a(8) from Andrew Howroyd, Aug 10 2017

Status

approved