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A350507
Number of (not necessarily connected) unit-distance graphs on n nodes.
1
1, 2, 4, 10, 25, 85, 332, 1746, 11803
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Unit-Distance Graph
CROSSREFS
Cf. A059103 (connected unit distance graphs).
Sequence in context: A123413 A085633 A111564 * A007021 A100605 A247395
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jan 02 2022
EXTENSIONS
a(9) from Eric W. Weisstein, Jan 10 2022
STATUS
approved