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A346143 Number of maximal irredundant sets in the n-triangular grid graph. 1
1, 3, 7, 51, 214, 2357, 25611, 551596 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..7.

Eric Weisstein's World of Mathematics, Maximal Irredundant Set

Eric Weisstein's World of Mathematics, Triangular Grid Graph

CROSSREFS

Cf. A347724.

Sequence in context: A035499 A273092 A120788 * A207138 A041277 A248239

Adjacent sequences: A346140 A346141 A346142 * A346144 A346145 A346146

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Sep 16 2021

EXTENSIONS

a(7) from Andrew Howroyd, Jan 19 2022

STATUS

approved

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Last modified November 30 12:12 EST 2022. Contains 358441 sequences. (Running on oeis4.)