A285399 - cp's OEIS frontend

A285399 Start with a single cell at coordinates (0, 0, 0), then iteratively subdivide the grid into 3 X 3 X 3 cells and remove the cells whose sum of modulo 2 coordinates is 0 or 2; a(n) is the number of cells after n iterations.

n	a(n)
0	1
1	13
2	182
3	2548
4	35672
5	499408
6	6991712
7	97883968
8	1370375552
9	19185257728
10	268593608192
11	3760310514688
12	52644347205632
13	737020860878848
14	10318292052303872
15	144456088732254208
16	2022385242251558912
17	28313393391521824768
18	396387507481305546752

[1, 13, 182, 2548, 35672, 499408, 6991712, 97883968, 1370375552, 19185257728, 268593608192, 3760310514688, 52644347205632, 737020860878848, 10318292052303872, 144456088732254208, 2022385242251558912, 28313393391521824768, 396387507481305546752]

cp's OEIS Frontend

A285399 Start with a single cell at coordinates (0, 0, 0), then iteratively subdivide the grid into 3 X 3 X 3 cells and remove the cells whose sum of modulo 2 coordinates is 0 or 2; a(n) is the number of cells after n iterations.

Table of values

List of values