A173546 - cp's OEIS frontend

A173546 Number of 3 X 3 semimagic squares with distinct positive values < n. In a semimagic squares the row and column sums must all be equal (the "magic sum").

n	a(n)
10	72
11	288
12	936
13	2592
14	5760
15	11520
16	20952
17	35712
18	57168
19	88272
20	131112
21	189504
22	265752
23	365760
24	492480
25	653040
26	851472
27	1096416
28	1392768
29	1751904
30	2178864
31	2687184
32	3283632
33	3983760
34	4794984
35	5736528
36	6816456
37	8056224
38	9466128

[72, 288, 936, 2592, 5760, 11520, 20952, 35712, 57168, 88272, 131112, 189504, 265752, 365760, 492480, 653040, 851472, 1096416, 1392768, 1751904, 2178864, 2687184, 3283632, 3983760, 4794984, 5736528, 6816456, 8056224, 9466128]

cp's OEIS Frontend

A173546 Number of 3 X 3 semimagic squares with distinct positive values < n. In a semimagic squares the row and column sums must all be equal (the "magic sum").

Table of values

List of values