A257332 - cp's OEIS frontend

A257332 Construct spiral of numbers on square grid as in Comments; sequence gives terms along the "7" arm.

n	a(n)
1	7
2	9
3	23
4	15
5	14
6	47
7	12
8	59
9	22
10	65
11	83
12	26
13	97
14	101
15	103
16	119
17	81
18	137
19	133
20	143
21	149
22	93
23	161
24	48
25	179
26	42
27	191
28	54
29	199
30	129
31	217
32	66
33	233
34	56
35	247
36	82
37	257
38	271
39	88
40	283
41	92
42	183
43	98
44	305
45	104
46	319
47	325
48	329
49	335
50	231
51	353
52	355
53	373
54	377
55	118
56	383
57	401

[7, 9, 23, 15, 14, 47, 12, 59, 22, 65, 83, 26, 97, 101, 103, 119, 81, 137, 133, 143, 149, 93, 161, 48, 179, 42, 191, 54, 199, 129, 217, 66, 233, 56, 247, 82, 257, 271, 88, 283, 92, 183, 98, 305, 104, 319, 325, 329, 335, 231, 353, 355, 373, 377, 118, 383, 401]

cp's OEIS Frontend

A257332 Construct spiral of numbers on square grid as in Comments; sequence gives terms along the "7" arm.

Table of values

List of values

n	a(n)
1	7
2	9
3	23
4	15
5	14
6	47
7	12
8	59
9	22
10	65
11	83
12	26
13	97
14	101
15	103
16	119
17	81
18	137
19	133
20	143
21	149
22	93
23	161
24	48
25	179
26	42
27	191
28	54
29	199
30	129
31	217
32	66
33	233
34	56
35	247
36	82
37	257
38	271
39	88
40	283
41	92
42	183
43	98
44	305
45	104
46	319
47	325
48	329
49	335
50	231
51	353
52	355
53	373
54	377
55	118
56	383
57	401

n	a(n)
1	7
2	9
3	23
4	15
5	14
6	47
7	12
8	59
9	22
10	65
11	83
12	26
13	97
14	101
15	103
16	119
17	81
18	137
19	133
20	143
21	149
22	93
23	161
24	48
25	179
26	42
27	191
28	54
29	199
30	129
31	217
32	66
33	233
34	56
35	247
36	82
37	257
38	271
39	88
40	283
41	92
42	183
43	98
44	305
45	104
46	319
47	325
48	329
49	335
50	231
51	353
52	355
53	373
54	377
55	118
56	383
57	401

n	a(n)
1	7
2	9
3	23
4	15
5	14
6	47
7	12
8	59
9	22
10	65
11	83
12	26
13	97
14	101
15	103
16	119
17	81
18	137
19	133
20	143
21	149
22	93
23	161
24	48
25	179
26	42
27	191
28	54
29	199
30	129
31	217
32	66
33	233
34	56
35	247
36	82
37	257
38	271
39	88
40	283
41	92
42	183
43	98
44	305
45	104
46	319
47	325
48	329
49	335
50	231
51	353
52	355
53	373
54	377
55	118
56	383
57	401