OFFSET
1,2
COMMENTS
An achiral coloring is identical to its reflection. The Schläfli symbol of the 24-cell is {3,4,3}. It has 24 octahedral facets. It is self-dual. For n>60, a(n) = 0.
LINKS
Robert A. Russell, Table of n, a(n) for n = 1..60
FORMULA
MATHEMATICA
bp[j_] := Sum[k! StirlingS2[j, k] x^k, {k, 0, j}] (*binomial series*)
Drop[CoefficientList[bp[16]/6+bp[18]/6+bp[20]/3+bp[24]/4+bp[48]/24+bp[52]/48+bp[60]/48, x], 1]
CROSSREFS
KEYWORD
fini,nonn,full
AUTHOR
Robert A. Russell, Nov 17 2020
STATUS
approved