A291100 Number of maximal irredundant sets in the n-ladder graph.
2, 6, 9, 18, 54, 99, 216, 512, 1079, 2352, 5225, 11383, 24991, 54814, 120126, 263554, 577644, 1266485, 2777763, 6089610, 13352283, 29278137, 64194490, 140755609, 308628427, 676706615, 1483775356, 3253378624, 7133479611, 15641147936, 34295353874, 75197276962
Offset: 1
Keywords
Links
- Christian Sievers, Table of n, a(n) for n = 1..200
- Eric Weisstein's World of Mathematics, Ladder Graph
- Eric Weisstein's World of Mathematics, Maximal Irredundant Set
Extensions
a(13) = 24991 from Eric W. Weisstein, Feb 16 2018
a(14) = 54814 from Eric W. Weisstein, Mar 20 2022
More terms from Christian Sievers, Nov 16 2023