A174021 - cp's OEIS frontend

A174021 Number of symmetry classes of reduced 3x3 magilatin squares with magic sum n.

n	a(n)
3	1
4	1
5	2
6	3
7	6
8	8
9	16
10	15
11	25
12	30
13	41
14	43
15	66
16	68
17	92
18	99
19	129
20	136
21	180
22	180
23	231
24	245
25	297
26	304
27	385
28	388
29	469
30	482
31	575
32	588
33	706
34	704
35	831
36	858
37	987
38	996
39	1171
40	1175
41	1350
42	1370
43	1561
44	1581
45	1806
46	1804
47	2047
48	2081
49	2323
50	2335
51	2641
52	2649
53	2951
54	2979
55	3302

[1, 1, 2, 3, 6, 8, 16, 15, 25, 30, 41, 43, 66, 68, 92, 99, 129, 136, 180, 180, 231, 245, 297, 304, 385, 388, 469, 482, 575, 588, 706, 704, 831, 858, 987, 996, 1171, 1175, 1350, 1370, 1561, 1581, 1806, 1804, 2047, 2081, 2323, 2335, 2641, 2649, 2951, 2979, 3302]

cp's OEIS Frontend

A174021 Number of symmetry classes of reduced 3x3 magilatin squares with magic sum n.

Table of values

List of values