A123537 Erroneous version of A005644 (there appears to be a typo in a(9)).

1, 26, 1768, 225096, 51725352, 21132802554, 15463799747936, 20604021770403328, 50928019401158515328, 237644423948928994197504, 2125373296900166452199861760

Offset

4,2

References

Walsh, T. R. S.; Counting labeled three-connected and homeomorphically irreducible two-connected graphs. J. Combin. Theory Ser. B 32 (1982), no. 1, 1-11.

Links

Table of n, a(n) for n=4..14.

Crossrefs

Sequence in context: A300578 A217228 A005644 * A220503 A054597 A005643

Adjacent sequences: A123534 A123535 A123536 * A123538 A123539 A123540

Keyword

dead

Status

approved