A257338 - cp's OEIS frontend

A257338 Construct spiral of numbers on square grid as in Comments; sequence gives terms along the "5" arm.

n	a(n)
1	5
2	6
3	17
4	12
5	29
6	18
7	37
8	28
9	43
10	36
11	49
12	46
13	57
14	52
15	63
16	62
17	73
18	70
19	81
20	76
21	87
22	80
23	99
24	92
25	105
26	104
27	111
28	112
29	123
30	118
31	131
32	124
33	135
34	134
35	143
36	140
37	153
38	148
39	159
40	158
41	171
42	164
43	181
44	168
45	187
46	174
47	197
48	180
49	203
50	192
51	211
52	198
53	217
54	212
55	229
56	218
57	239

[5, 6, 17, 12, 29, 18, 37, 28, 43, 36, 49, 46, 57, 52, 63, 62, 73, 70, 81, 76, 87, 80, 99, 92, 105, 104, 111, 112, 123, 118, 131, 124, 135, 134, 143, 140, 153, 148, 159, 158, 171, 164, 181, 168, 187, 174, 197, 180, 203, 192, 211, 198, 217, 212, 229, 218, 239]

cp's OEIS Frontend

A257338 Construct spiral of numbers on square grid as in Comments; sequence gives terms along the "5" arm.

Table of values

List of values

n	a(n)
1	5
2	6
3	17
4	12
5	29
6	18
7	37
8	28
9	43
10	36
11	49
12	46
13	57
14	52
15	63
16	62
17	73
18	70
19	81
20	76
21	87
22	80
23	99
24	92
25	105
26	104
27	111
28	112
29	123
30	118
31	131
32	124
33	135
34	134
35	143
36	140
37	153
38	148
39	159
40	158
41	171
42	164
43	181
44	168
45	187
46	174
47	197
48	180
49	203
50	192
51	211
52	198
53	217
54	212
55	229
56	218
57	239

n	a(n)
1	5
2	6
3	17
4	12
5	29
6	18
7	37
8	28
9	43
10	36
11	49
12	46
13	57
14	52
15	63
16	62
17	73
18	70
19	81
20	76
21	87
22	80
23	99
24	92
25	105
26	104
27	111
28	112
29	123
30	118
31	131
32	124
33	135
34	134
35	143
36	140
37	153
38	148
39	159
40	158
41	171
42	164
43	181
44	168
45	187
46	174
47	197
48	180
49	203
50	192
51	211
52	198
53	217
54	212
55	229
56	218
57	239

n	a(n)
1	5
2	6
3	17
4	12
5	29
6	18
7	37
8	28
9	43
10	36
11	49
12	46
13	57
14	52
15	63
16	62
17	73
18	70
19	81
20	76
21	87
22	80
23	99
24	92
25	105
26	104
27	111
28	112
29	123
30	118
31	131
32	124
33	135
34	134
35	143
36	140
37	153
38	148
39	159
40	158
41	171
42	164
43	181
44	168
45	187
46	174
47	197
48	180
49	203
50	192
51	211
52	198
53	217
54	212
55	229
56	218
57	239