A383183 - cp's OEIS frontend

A383183 Square spiral numbers of the n-th grid point visited by a king always moving to the unvisited point labeled with the smallest possible prime or else composite number.

n	a(n)
0	0
1	2
2	3
3	5
4	7
5	23
6	47
7	79
8	48
9	24
10	8
11	1
12	11
13	13
14	31
15	29
16	53
17	27
18	9
19	10
20	26
21	25
22	49
23	83
24	50
25	51
26	52
27	28
28	12
29	30
30	54
31	55
32	89
33	131
34	179
35	129
36	87
37	127
38	85
39	84
40	124
41	173
42	229
43	293
44	227
45	169
46	223
47	167
48	119
49	80
50	81
51	82
52	122
53	120
54	121
55	168
56	170
57	171
58	123
59	172
60	228
61	292
62	226
63	224
64	225
65	287
66	359
67	439

[0, 2, 3, 5, 7, 23, 47, 79, 48, 24, 8, 1, 11, 13, 31, 29, 53, 27, 9, 10, 26, 25, 49, 83, 50, 51, 52, 28, 12, 30, 54, 55, 89, 131, 179, 129, 87, 127, 85, 84, 124, 173, 229, 293, 227, 169, 223, 167, 119, 80, 81, 82, 122, 120, 121, 168, 170, 171, 123, 172, 228, 292, 226, 224, 225, 287, 359, 439]

cp's OEIS Frontend

A383183 Square spiral numbers of the n-th grid point visited by a king always moving to the unvisited point labeled with the smallest possible prime or else composite number.

Table of values

List of values

n	a(n)
0	0
1	2
2	3
3	5
4	7
5	23
6	47
7	79
8	48
9	24
10	8
11	1
12	11
13	13
14	31
15	29
16	53
17	27
18	9
19	10
20	26
21	25
22	49
23	83
24	50
25	51
26	52
27	28
28	12
29	30
30	54
31	55
32	89
33	131
34	179
35	129
36	87
37	127
38	85
39	84
40	124
41	173
42	229
43	293
44	227
45	169
46	223
47	167
48	119
49	80
50	81
51	82
52	122
53	120
54	121
55	168
56	170
57	171
58	123
59	172
60	228
61	292
62	226
63	224
64	225
65	287
66	359
67	439

n	a(n)
0	0
1	2
2	3
3	5
4	7
5	23
6	47
7	79
8	48
9	24
10	8
11	1
12	11
13	13
14	31
15	29
16	53
17	27
18	9
19	10
20	26
21	25
22	49
23	83
24	50
25	51
26	52
27	28
28	12
29	30
30	54
31	55
32	89
33	131
34	179
35	129
36	87
37	127
38	85
39	84
40	124
41	173
42	229
43	293
44	227
45	169
46	223
47	167
48	119
49	80
50	81
51	82
52	122
53	120
54	121
55	168
56	170
57	171
58	123
59	172
60	228
61	292
62	226
63	224
64	225
65	287
66	359
67	439

n	a(n)
0	0
1	2
2	3
3	5
4	7
5	23
6	47
7	79
8	48
9	24
10	8
11	1
12	11
13	13
14	31
15	29
16	53
17	27
18	9
19	10
20	26
21	25
22	49
23	83
24	50
25	51
26	52
27	28
28	12
29	30
30	54
31	55
32	89
33	131
34	179
35	129
36	87
37	127
38	85
39	84
40	124
41	173
42	229
43	293
44	227
45	169
46	223
47	167
48	119
49	80
50	81
51	82
52	122
53	120
54	121
55	168
56	170
57	171
58	123
59	172
60	228
61	292
62	226
63	224
64	225
65	287
66	359
67	439