A048142 - cp's OEIS frontend

A048142 Number of symmetrical planar partitions of n: planar partitions (A000219) that when regarded as 3-D objects have only a threefold axis of symmetry, i.e., C3 symmetry.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	1
14	1
15	0
16	1
17	1
18	0
19	2
20	2
21	0
22	3
23	3
24	0
25	5
26	6
27	0
28	7
29	9
30	0
31	11
32	16
33	1
34	14
35	23
36	2
37	20
38	36
39	4
40	27
41	52
42	7
43	37
44	78
45	13
46	48
47	111
48	21
49	65
50	163
51	36
52	83
53	227
54	56
55	109
56	322
57	89
58	139
59	444
60	135
61	179
62	618
63	207
64	226
65	841
66	305
67	288
68	1151
69	453
70	361

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 2, 2, 0, 3, 3, 0, 5, 6, 0, 7, 9, 0, 11, 16, 1, 14, 23, 2, 20, 36, 4, 27, 52, 7, 37, 78, 13, 48, 111, 21, 65, 163, 36, 83, 227, 56, 109, 322, 89, 139, 444, 135, 179, 618, 207, 226, 841, 305, 288, 1151, 453, 361]

cp's OEIS Frontend

A048142 Number of symmetrical planar partitions of n: planar partitions (A000219) that when regarded as 3-D objects have only a threefold axis of symmetry, i.e., C3 symmetry.

Table of values

List of values