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A347722 Number of irredundant sets in the n-triangular (Johnson) graph. 0
4, 22, 76, 406, 2304, 14316 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..8.

Eric Weisstein's World of Mathematics, Irredundant Set

Eric Weisstein's World of Mathematics, Triangular Graph

CROSSREFS

Sequence in context: A241689 A052149 A062966 * A201127 A259709 A078155

Adjacent sequences:  A347719 A347720 A347721 * A347723 A347724 A347725

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Sep 11 2021

STATUS

approved

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Last modified January 24 10:01 EST 2022. Contains 350534 sequences. (Running on oeis4.)