A038175 Unbranched mono-5-catapolyheptagons.

0, 2, 12, 54, 256, 1144, 5120, 22496, 98304

Offset: 2

Author

N. J. A. Sloane

Keywords

• nonn
• more

References

• B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121. See Table 5.

Links

• B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, 1996 [Annotated scanned copy of pages 118, 119 only].

Crossrefs

Cf. A038177.