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A038177 Number of unbranched mono-5-catapolyheptagons. 2
1, 3, 12, 58, 256, 1160, 5120, 22560, 98304 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
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 Tables 4 and 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. A038175.
Sequence in context: A032268 A079245 A122677 * A163047 A369616 A369594
KEYWORD
nonn,more
AUTHOR
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)