A343957 a(n) is the number of hexagonal faces of Johnson solid J_n.

0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

Offset

1,54

Links

Table of n, a(n) for n=1..87.

Wikipedia, List of Johnson solids

Formula

a(n) < A242731(n).

Crossrefs

Cf. A242731, A343954, A343955, A343956, A343958, A343959.

Sequence in context: A180958 A295854 A230630 * A338505 A037867 A122879

Adjacent sequences: A343954 A343955 A343956 * A343958 A343959 A343960

Keyword

nonn,fini

Author

Felix Fröhlich, May 05 2021

Status

approved