A343961 a(n) is the number of Johnson solids of unit edge length with a volume V such that n <= V < n+1.

10, 15, 9, 9, 5, 1, 3, 1, 5, 3, 1, 1, 2, 2, 1, 2, 2, 1, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 0, 0, 4, 0, 4, 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, 0, 0

Offset

0,1

Comments

a(n) = 0 for n > 92.

Links

Table of n, a(n) for n=0..85.

Wikipedia, List of Johnson solids

Example

For n = 6: The Johnson solids with volumes V with 6 <= V < 7 are J_6, J_19 and J_23 with V ~ 6.21, 6.77 and 6.92, respectively, so a(6) = 3.

Crossrefs

Cf. A242731, A242732, A242733, A296603, A296604, A299529, A306949.

Sequence in context: A004475 A216118 A329772 * A289361 A063582 A074391

Adjacent sequences: A343958 A343959 A343960 * A343962 A343963 A343964

Keyword

nonn

Author

Felix Fröhlich, May 05 2021

Status

approved