A285398 - cp's OEIS frontend

A285398 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; a(n) is the number of cells after n iterations.

n	a(n)
0	1
1	19
2	452
3	10948
4	266300
5	6484372
6	157936172
7	3847025764
8	93707895260
9	2282596837492
10	55601016789068
11	1354367059315396
12	32990588541122684
13	803607076375862356
14	19574804963320797548
15	476816346057854861860
16	11614615234500986326556
17	282916657894827156657460

[1, 19, 452, 10948, 266300, 6484372, 157936172, 3847025764, 93707895260, 2282596837492, 55601016789068, 1354367059315396, 32990588541122684, 803607076375862356, 19574804963320797548, 476816346057854861860, 11614615234500986326556, 282916657894827156657460]

cp's OEIS Frontend

A285398 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; a(n) is the number of cells after n iterations.

Table of values

List of values