A362514 Number of odd chordless cycles of length >4 in the n-triangular grid graph.
0, 0, 0, 1, 13, 115, 959, 8876, 101123, 1519504, 31138405, 871560677, 32897263307, 1657411773700, 111113100638331, 9929019852558612, 1185818207579540160, 189496976724420953109, 40497113442395855810240, 11561238705271610991734848
Offset: 1
Keywords
Links
- Eric Weisstein's World of Mathematics, Odd Chordless Cycle
- Eric Weisstein's World of Mathematics, Triangular Grid Graph
Crossrefs
Cf. A297671.
Extensions
a(11)-a(20) from Andrew Howroyd, Apr 23 2023