A348090 - cp's OEIS frontend

A348090 Place the numbers 1 to n on a square grid and sum both numbers in all created orthogonally adjacent pairs; a(n) gives the maximum possible value of the sum of all pair sums.

n	a(n)
1	0
2	3
3	9
4	20
5	34
6	53
7	75
8	101
9	134
10	168
11	204
12	247
13	293
14	344
15	399
16	456
17	518
18	585
19	654
20	725
21	803
22	886
23	978
24	1065
25	1154
26	1252
27	1355
28	1467
29	1572
30	1679
31	1797
32	1920
33	2052
34	2188
35	2315
36	2444
37	2586
38	2733
39	2889
40	3049
41	3198
42	3349
43	3515
44	3686
45	3866
46	4050
47	4238
48	4413
49	4590
50	4784
51	4983
52	5191
53	5403
54	5619

[0, 3, 9, 20, 34, 53, 75, 101, 134, 168, 204, 247, 293, 344, 399, 456, 518, 585, 654, 725, 803, 886, 978, 1065, 1154, 1252, 1355, 1467, 1572, 1679, 1797, 1920, 2052, 2188, 2315, 2444, 2586, 2733, 2889, 3049, 3198, 3349, 3515, 3686, 3866, 4050, 4238, 4413, 4590, 4784, 4983, 5191, 5403, 5619]

cp's OEIS Frontend

A348090 Place the numbers 1 to n on a square grid and sum both numbers in all created orthogonally adjacent pairs; a(n) gives the maximum possible value of the sum of all pair sums.

Table of values

List of values