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A255364
Partial sums of A246031.
0
1, 27, 53, 177, 203, 879, 1003, 2403, 2429, 3105, 3781, 7005, 7129, 10353, 11753, 21753, 21779, 22455, 23131, 26355, 27031, 44607, 47831, 84231, 84355, 87579, 90803, 106179, 107579, 143979, 153979, 243483, 243509, 244185, 244861, 248085, 248761, 266337, 269561, 305961, 306637, 324213, 341789, 425613, 428837, 512661, 549061, 809061
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).
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Feb 21 2015
STATUS
approved