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B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.
Table of n, a(n) for n=0..31.
Sequence in context: A181107 A234974 A248593 * A185221 A248153 A079166
Adjacent sequences: A038305 A038306 A038307 * A038309 A038310 A038311
N. J. A. Sloane.