A336234 - cp's OEIS frontend

A336234 Edge length of 'Prime squares': sum the four numbers at the corners of a square drawn on a diagonally numbered 2D board, with 1 at the corner of the square. The sequence gives the size of the square such that the sum is a prime number.

n	a(n)
1	1
2	3
3	7
4	9
5	13
6	15
7	19
8	25
9	31
10	37
11	39
12	51
13	61
14	63
15	69
16	81
17	87
18	97
19	99
20	109
21	117
22	135
23	145
24	147
25	151
26	153
27	163
28	165
29	171
30	183
31	189
32	195
33	201
34	207
35	213
36	219
37	223
38	229
39	235
40	241
41	249
42	253
43	267
44	271
45	273
46	277
47	297
48	307
49	319
50	325
51	337
52	343
53	345
54	355
55	373
56	381
57	387
58	391
59	393
60	409
61	435
62	447
63	451
64	457

[1, 3, 7, 9, 13, 15, 19, 25, 31, 37, 39, 51, 61, 63, 69, 81, 87, 97, 99, 109, 117, 135, 145, 147, 151, 153, 163, 165, 171, 183, 189, 195, 201, 207, 213, 219, 223, 229, 235, 241, 249, 253, 267, 271, 273, 277, 297, 307, 319, 325, 337, 343, 345, 355, 373, 381, 387, 391, 393, 409, 435, 447, 451, 457]

cp's OEIS Frontend

A336234 Edge length of 'Prime squares': sum the four numbers at the corners of a square drawn on a diagonally numbered 2D board, with 1 at the corner of the square. The sequence gives the size of the square such that the sum is a prime number.

Table of values

List of values

n	a(n)
1	1
2	3
3	7
4	9
5	13
6	15
7	19
8	25
9	31
10	37
11	39
12	51
13	61
14	63
15	69
16	81
17	87
18	97
19	99
20	109
21	117
22	135
23	145
24	147
25	151
26	153
27	163
28	165
29	171
30	183
31	189
32	195
33	201
34	207
35	213
36	219
37	223
38	229
39	235
40	241
41	249
42	253
43	267
44	271
45	273
46	277
47	297
48	307
49	319
50	325
51	337
52	343
53	345
54	355
55	373
56	381
57	387
58	391
59	393
60	409
61	435
62	447
63	451
64	457

n	a(n)
1	1
2	3
3	7
4	9
5	13
6	15
7	19
8	25
9	31
10	37
11	39
12	51
13	61
14	63
15	69
16	81
17	87
18	97
19	99
20	109
21	117
22	135
23	145
24	147
25	151
26	153
27	163
28	165
29	171
30	183
31	189
32	195
33	201
34	207
35	213
36	219
37	223
38	229
39	235
40	241
41	249
42	253
43	267
44	271
45	273
46	277
47	297
48	307
49	319
50	325
51	337
52	343
53	345
54	355
55	373
56	381
57	387
58	391
59	393
60	409
61	435
62	447
63	451
64	457

n	a(n)
1	1
2	3
3	7
4	9
5	13
6	15
7	19
8	25
9	31
10	37
11	39
12	51
13	61
14	63
15	69
16	81
17	87
18	97
19	99
20	109
21	117
22	135
23	145
24	147
25	151
26	153
27	163
28	165
29	171
30	183
31	189
32	195
33	201
34	207
35	213
36	219
37	223
38	229
39	235
40	241
41	249
42	253
43	267
44	271
45	273
46	277
47	297
48	307
49	319
50	325
51	337
52	343
53	345
54	355
55	373
56	381
57	387
58	391
59	393
60	409
61	435
62	447
63	451
64	457