A384381 Number of connected subsets of faces (or polyforms) of the n-th Johnson solid, up to symmetries of that solid.

10, 13, 59, 141, 357, 6752, 30, 72, 157, 442, 1950, 10, 40, 45, 180, 701, 1035, 1646, 14793, 153721, 3920545, 42372, 1495651, 59265752

Offset

1,1

Comments

Two faces are connected if they share an edge.

The empty set is not included in the counts.

Links

Table of n, a(n) for n=1..24.

Eric Weisstein's World of Mathematics, Johnson Solid.

Wikipedia, List of Johnson solids.

Crossrefs

Row sums of A384380.

Cf. A384377, A384379.

Sequence in context: A069960 A219715 A376273 * A384377 A154142 A219804

Adjacent sequences: A384378 A384379 A384380 * A384382 A384383 A384384

Keyword

nonn,fini,more

Author

Pontus von Brömssen and Peter Kagey, May 28 2025

Status

approved