OFFSET
0,2
COMMENTS
Total number of cubic ON cells after n generations in a three-dimensional structure in which A246031(n) gives the number of cubic ON cells in the n-th cubic layer of the structure. A cubic ON cell remains ON forever. The structure looks like an irregular cube (or hexahedron).
LINKS
N. J. A. Sloane, On the Number of ON Cells in Cellular Automata, arXiv:1503.01168, 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Feb 21 2015
STATUS
approved