A393431 Number of irredundant sets in the n-Cameron graph.

154, 11047, 751405, 50984294, 3460929163, 234946981986, 15949449143272, 1082732491466680, 73501571877630034, 4989673017570858123, 338725230625339607249, 22994449025426060388120, 1560984060729421214693223, 105967802714057372812758869, 7193651424470766760446808071

Offset

1,1

Links

Andrew Howroyd, Table of n, a(n) for n = 1..200

Eric Weisstein's World of Mathematics, Cameron Graph.

Eric Weisstein's World of Mathematics, Irredundant Set.

Crossrefs

Cf. A387433.

Sequence in context: A227977 A282557 A200709 * A377736 A368138 A248657

Adjacent sequences: A393428 A393429 A393430 * A393432 A393433 A393434

Keyword

nonn

Author

Eric W. Weisstein, Feb 14 2026

Extensions

a(4) onward from Andrew Howroyd, Feb 14 2026

Status

approved