A330564 Coordination sequence for 1-skeleton of small stellated dodecahedron with respect to a trivalent node (a valley).

1, 6, 9, 9, 6, 1

Offset

0,2

Comments

The coordination sequence with respect to a pentavalent node (a peak) is 1,5,10,10,5,1. Since this coordination sequence is a row of Pascal's triangle it does not have its own entry.

References

H. M. Cundy and A. P. Rollett, Mathematical Models, Oxford, 1st. ed., corrected 1957, pp. 84-85.

Links

Table of n, a(n) for n=0..5.

Tom Karzes, Polyhedron Coordination Sequences

Crossrefs

Cf. A329500, A330555.

Sequence in context: A021147 A246709 A051496 * A195296 A273951 A307053

Adjacent sequences: A330561 A330562 A330563 * A330565 A330566 A330567

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Jan 01 2020

Status

approved