A343958 a(n) is the number of octagonal faces of Johnson solid J_n.

0, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

Offset

1,66

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, A343957, A343959.

Sequence in context: A121021 A237518 A274649 * A258234 A336075 A159799

Adjacent sequences: A343955 A343956 A343957 * A343959 A343960 A343961

Keyword

nonn,fini

Author

Felix Fröhlich, May 05 2021

Status

approved