A255601 Partial sums of A253089.

1, 10, 30, 59, 128, 172, 284, 368, 596, 677, 930, 1170, 1531, 1860, 2268, 2704, 3256, 3800, 4456, 5308, 6056, 6808, 7848, 9021, 10118, 11046, 12435, 14292, 15500, 16744, 18408, 20865, 22313, 23949, 25977, 28709, 30873, 32830, 35671, 38875, 41724, 44025, 47529, 51398, 54946, 57702, 61842, 66351, 70411, 73799

Offset

0,2

Comments

Also, total number of cubic ON cells after n generations in a three-dimensional structure in which A253089(n) gives the number of cubic ON cells in the n-th level of the structure starting from the top. An ON cell remains ON forever. The structure looks like an irregular stepped pyramid.

Links

Table of n, a(n) for n=0..49.

Index entries for sequences related to cellular automata

Crossrefs

Cf. A253089, A255048, A255603.

Sequence in context: A031299 A124164 A318624 * A104044 A124080 A345285

Adjacent sequences: A255598 A255599 A255600 * A255602 A255603 A255604

Keyword

nonn

Author

Omar E. Pol, Feb 27 2015

Status

approved