A350507 Number of (not necessarily connected) unit-distance graphs on n nodes.

1, 2, 4, 10, 25, 85, 332, 1746, 11803

Offset

1,2

Links

Table of n, a(n) for n=1..9.

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

Adjacent sequences: A350504 A350505 A350506 * A350508 A350509 A350510

Keyword

nonn,more

Author

Eric W. Weisstein, Jan 02 2022

Extensions

a(9) from Eric W. Weisstein, Jan 10 2022

Status

approved