A370066 Number of simple graphs on n labeled nodes with 0 cutpoints (articulation vertices).

1, 1, 2, 5, 24, 334, 13262, 1106862, 175376048, 52257938968, 29630281927992, 32419435230665504, 69235630356230589160, 291027002178729900949176, 2421758979017538709183301872, 40049849056096716254513795355752, 1319546787893393892246373650622520448

Offset

0,3

Comments

Exponential transform of A013922 with A013922(1) = 1.

Links

Andrew Howroyd, Table of n, a(n) for n = 0..50

Crossrefs

Cf. A013922.

Column k=0 of A370065.

Sequence in context: A359810 A025134 A340772 * A076534 A095708 A120759

Adjacent sequences: A370063 A370064 A370065 * A370067 A370068 A370069

Keyword

nonn

Author

Andrew Howroyd, Feb 25 2024

Status

approved