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A259351
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Number of generalized fusenes with n pentagons.
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5
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1, 1, 2, 4, 7, 18, 35, 87, 206, 527, 1337, 3524, 9262, 24772, 66402, 179589, 487435, 1330708, 3645754, 10031143, 27691894, 76708835, 213122892, 593851624, 1659104995, 4646951873, 13046181167, 36708619646, 103505545079, 292430771955, 827749791118, 2347201206583, 6667102499129, 18968089092814
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OFFSET
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1,3
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LINKS
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Table of n, a(n) for n=1..34.
G. Brinkmann, O. Delgado-Friedrichs, S. Lisken, A. Peeters, and N. Van Cleemput, Cage - a virtual environment for studying some special classes of plane graphs
G. Brinkmann and P. Goetschalckx, Enumeration of Generalized Fusenes, MATCH: Communications in Mathematical and in Computer Chemistry, 74.3 (2015), 505-520.
Eric Weisstein's World of Mathematics, Fusene
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CROSSREFS
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Cf. A108070, A259352, A259353, A259354, A259355.
Sequence in context: A290877 A103032 A215649 * A300913 A232484 A223013
Adjacent sequences: A259348 A259349 A259350 * A259352 A259353 A259354
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KEYWORD
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nonn
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AUTHOR
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Pieter Goetschalckx, Jun 24 2015
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STATUS
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approved
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