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A038176
A038175
/2.
0
0, 1, 6, 27, 128, 572, 2560, 11248, 49152
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OFFSET
2,3
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
Table of n, a(n) for n=2..10.
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:
A045500
A360057
A109115
*
A104745
A184279
A299598
Adjacent sequences:
A038173
A038174
A038175
*
A038177
A038178
A038179
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
.
STATUS
approved
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Last modified September 3 02:34 EDT 2024. Contains 375649 sequences. (Running on oeis4.)