A286436 - cp's OEIS frontend

A286436 Irregular triangle read by rows: T(n, k) = number of ways to tile an n X n X n triangular area with k 2 X 2 X 2 triangular tiles and an appropriate number (= n^2-4*k) of 1 X 1 X 1 tiles.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	7
8	9
9	4
10	1
11	1
12	13
13	48
14	63
15	25
16	1
17	21
18	153
19	494
20	747
21	546
22	219
23	57
24	9
25	1
26	1
27	31
28	372
29	2247
30	7459
31	14064
32	15160
33	9233
34	3069
35	480
36	14
37	1
38	43
39	765
40	7396
41	42983
42	157248
43	369787
44	563287
45	556932
46	358974
47	153520
48	45282
49	9634
50	1529
51	186
52	16
53	1
54	1
55	57
56	1404

[1, 1, 1, 1, 3, 1, 7, 9, 4, 1, 1, 13, 48, 63, 25, 1, 21, 153, 494, 747, 546, 219, 57, 9, 1, 1, 31, 372, 2247, 7459, 14064, 15160, 9233, 3069, 480, 14, 1, 43, 765, 7396, 42983, 157248, 369787, 563287, 556932, 358974, 153520, 45282, 9634, 1529, 186, 16, 1, 1, 57, 1404]

cp's OEIS Frontend

A286436 Irregular triangle read by rows: T(n, k) = number of ways to tile an n X n X n triangular area with k 2 X 2 X 2 triangular tiles and an appropriate number (= n^2-4*k) of 1 X 1 X 1 tiles.

Table of values

List of values