A039626 Number of planar simply-connected mono-q-polyhexes for q=4.

1, 1, 4, 13, 57, 255, 1224, 5953

Offset

1,3

References

J. Brunvoll, B. N. Cyvin, and S. J. Cyvin, Studies of some chemically relevant polygonal systems: mono-q-polyhexes, ACH Models in Chem., 133(3) (1996), 277-298.

Links

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

Crossrefs

Cf. A018190.

Sequence in context: A149480 A151481 A283612 * A149481 A149482 A149483

Adjacent sequences: A039623 A039624 A039625 * A039627 A039628 A039629

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved