Number of odd chordless cycles of length >4 in the n-triangular grid graph.

A362514

Number of odd chordless cycles of length >4 in the n-triangular grid graph.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =13a(5) =115a(6) =959a(7) =8876a(8) =101123a(9) =1519504a(10) =31138405a(11) =871560677a(12) =32897263307

External references