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A290589
Number of irredundant sets in the n-gear graph.
2
41, 113, 320, 908, 2574, 7317, 20855, 59582, 170681, 490180, 1411207, 4072092, 11774998, 34114389, 99006951, 287783255, 837649471, 2441108294, 7121588680, 20795782761, 60775937523, 177746557324, 520168686310, 1523090681155, 4461852378404, 13076323061624
OFFSET
3,1
LINKS
Eric Weisstein's World of Mathematics, Gear Graph
Eric Weisstein's World of Mathematics, Irredundant Set
CROSSREFS
Sequence in context: A116509 A105389 A266954 * A191867 A195317 A044292
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Aug 07 2017
EXTENSIONS
a(13)-a(16) from Andrew Howroyd, Aug 11 2017
Missing a(12) inserted and a(17)-a(18) added by Andrew Howroyd, Aug 27 2017
More terms from Christian Sievers, Nov 18 2023
STATUS
approved