A257337 - cp's OEIS frontend

A257337 Construct spiral of numbers on square grid as in Comments; sequence gives terms along the "4" arm.

n	a(n)
1	4
2	9
3	13
4	23
5	16
6	35
7	24
8	41
9	30
10	47
11	40
12	53
13	42
14	55
15	54
16	71
17	60
18	77
19	72
20	85
21	82
22	93
23	88
24	101
25	96
26	109
27	102
28	121
29	116
30	125
31	122
32	129
33	130
34	141
35	136
36	147
37	146
38	157
39	154
40	167
41	160
42	179
43	166
44	177
45	172
46	185
47	184
48	201
49	190
50	207
51	200
52	213
53	206
54	221
55	214
56	225
57	224

[4, 9, 13, 23, 16, 35, 24, 41, 30, 47, 40, 53, 42, 55, 54, 71, 60, 77, 72, 85, 82, 93, 88, 101, 96, 109, 102, 121, 116, 125, 122, 129, 130, 141, 136, 147, 146, 157, 154, 167, 160, 179, 166, 177, 172, 185, 184, 201, 190, 207, 200, 213, 206, 221, 214, 225, 224]

cp's OEIS Frontend

A257337 Construct spiral of numbers on square grid as in Comments; sequence gives terms along the "4" arm.

Table of values

List of values

n	a(n)
1	4
2	9
3	13
4	23
5	16
6	35
7	24
8	41
9	30
10	47
11	40
12	53
13	42
14	55
15	54
16	71
17	60
18	77
19	72
20	85
21	82
22	93
23	88
24	101
25	96
26	109
27	102
28	121
29	116
30	125
31	122
32	129
33	130
34	141
35	136
36	147
37	146
38	157
39	154
40	167
41	160
42	179
43	166
44	177
45	172
46	185
47	184
48	201
49	190
50	207
51	200
52	213
53	206
54	221
55	214
56	225
57	224

n	a(n)
1	4
2	9
3	13
4	23
5	16
6	35
7	24
8	41
9	30
10	47
11	40
12	53
13	42
14	55
15	54
16	71
17	60
18	77
19	72
20	85
21	82
22	93
23	88
24	101
25	96
26	109
27	102
28	121
29	116
30	125
31	122
32	129
33	130
34	141
35	136
36	147
37	146
38	157
39	154
40	167
41	160
42	179
43	166
44	177
45	172
46	185
47	184
48	201
49	190
50	207
51	200
52	213
53	206
54	221
55	214
56	225
57	224

n	a(n)
1	4
2	9
3	13
4	23
5	16
6	35
7	24
8	41
9	30
10	47
11	40
12	53
13	42
14	55
15	54
16	71
17	60
18	77
19	72
20	85
21	82
22	93
23	88
24	101
25	96
26	109
27	102
28	121
29	116
30	125
31	122
32	129
33	130
34	141
35	136
36	147
37	146
38	157
39	154
40	167
41	160
42	179
43	166
44	177
45	172
46	185
47	184
48	201
49	190
50	207
51	200
52	213
53	206
54	221
55	214
56	225
57	224