A344846 - cp's OEIS frontend

A344846 Sum of the prime numbers appearing along the border of an n X n square array whose elements are the numbers from 1..n^2, listed in increasing order by rows.

n	a(n)
1	0
2	5
3	12
4	23
5	44
6	80
7	136
8	195
9	225
10	329
11	320
12	694
13	791
14	808
15	899
16	953
17	1378
18	2485
19	1905
20	2152
21	2898
22	3364
23	2577
24	4913
25	4061
26	5589
27	4638
28	6978
29	5432
30	10814
31	5305
32	10157
33	9135
34	10507
35	10976
36	15342
37	5149
38	14352
39	16891
40	17827
41	11327
42	26086
43	14738
44	19337
45	23838
46	30784
47	16701

[0, 5, 12, 23, 44, 80, 136, 195, 225, 329, 320, 694, 791, 808, 899, 953, 1378, 2485, 1905, 2152, 2898, 3364, 2577, 4913, 4061, 5589, 4638, 6978, 5432, 10814, 5305, 10157, 9135, 10507, 10976, 15342, 5149, 14352, 16891, 17827, 11327, 26086, 14738, 19337, 23838, 30784, 16701]

cp's OEIS Frontend

A344846 Sum of the prime numbers appearing along the border of an n X n square array whose elements are the numbers from 1..n^2, listed in increasing order by rows.

Table of values

List of values