A383184 - cp's OEIS frontend

A383184 Diamond spiral numbers of the grid points 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	11
4	23
5	4
6	5
7	13
8	12
9	24
10	41
11	61
12	40
13	59
14	83
15	60
16	84
17	113
18	85
19	86
20	62
21	25
22	26
23	43
24	14
25	1
26	7
27	17
28	31
29	8
30	19
31	9
32	10
33	37
34	21
35	20
36	53
37	34
38	33
39	18
40	32
41	71
42	97
43	127
44	72
45	73
46	50
47	49
48	48
49	47
50	29
51	6
52	15
53	16
54	30
55	69
56	68
57	67
58	28
59	27
60	44
61	89
62	64
63	63
64	42
65	87
66	88
67	149
68	116
69	115
70	114
71	146
72	223
73	182
74	181
75	144
76	179
77	112
78	111
79	110
80	109
81	58
82	38
83	22
84	57
85	56
86	79
87	107
88	139
89	80
90	81
91	82
92	39

[0, 2, 3, 11, 23, 4, 5, 13, 12, 24, 41, 61, 40, 59, 83, 60, 84, 113, 85, 86, 62, 25, 26, 43, 14, 1, 7, 17, 31, 8, 19, 9, 10, 37, 21, 20, 53, 34, 33, 18, 32, 71, 97, 127, 72, 73, 50, 49, 48, 47, 29, 6, 15, 16, 30, 69, 68, 67, 28, 27, 44, 89, 64, 63, 42, 87, 88, 149, 116, 115, 114, 146, 223, 182, 181, 144, 179, 112, 111, 110, 109, 58, 38, 22, 57, 56, 79, 107, 139, 80, 81, 82, 39]

cp's OEIS Frontend

A383184 Diamond spiral numbers of the grid points 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	11
4	23
5	4
6	5
7	13
8	12
9	24
10	41
11	61
12	40
13	59
14	83
15	60
16	84
17	113
18	85
19	86
20	62
21	25
22	26
23	43
24	14
25	1
26	7
27	17
28	31
29	8
30	19
31	9
32	10
33	37
34	21
35	20
36	53
37	34
38	33
39	18
40	32
41	71
42	97
43	127
44	72
45	73
46	50
47	49
48	48
49	47
50	29
51	6
52	15
53	16
54	30
55	69
56	68
57	67
58	28
59	27
60	44
61	89
62	64
63	63
64	42
65	87
66	88
67	149
68	116
69	115
70	114
71	146
72	223
73	182
74	181
75	144
76	179
77	112
78	111
79	110
80	109
81	58
82	38
83	22
84	57
85	56
86	79
87	107
88	139
89	80
90	81
91	82
92	39

n	a(n)
0	0
1	2
2	3
3	11
4	23
5	4
6	5
7	13
8	12
9	24
10	41
11	61
12	40
13	59
14	83
15	60
16	84
17	113
18	85
19	86
20	62
21	25
22	26
23	43
24	14
25	1
26	7
27	17
28	31
29	8
30	19
31	9
32	10
33	37
34	21
35	20
36	53
37	34
38	33
39	18
40	32
41	71
42	97
43	127
44	72
45	73
46	50
47	49
48	48
49	47
50	29
51	6
52	15
53	16
54	30
55	69
56	68
57	67
58	28
59	27
60	44
61	89
62	64
63	63
64	42
65	87
66	88
67	149
68	116
69	115
70	114
71	146
72	223
73	182
74	181
75	144
76	179
77	112
78	111
79	110
80	109
81	58
82	38
83	22
84	57
85	56
86	79
87	107
88	139
89	80
90	81
91	82
92	39

n	a(n)
0	0
1	2
2	3
3	11
4	23
5	4
6	5
7	13
8	12
9	24
10	41
11	61
12	40
13	59
14	83
15	60
16	84
17	113
18	85
19	86
20	62
21	25
22	26
23	43
24	14
25	1
26	7
27	17
28	31
29	8
30	19
31	9
32	10
33	37
34	21
35	20
36	53
37	34
38	33
39	18
40	32
41	71
42	97
43	127
44	72
45	73
46	50
47	49
48	48
49	47
50	29
51	6
52	15
53	16
54	30
55	69
56	68
57	67
58	28
59	27
60	44
61	89
62	64
63	63
64	42
65	87
66	88
67	149
68	116
69	115
70	114
71	146
72	223
73	182
74	181
75	144
76	179
77	112
78	111
79	110
80	109
81	58
82	38
83	22
84	57
85	56
86	79
87	107
88	139
89	80
90	81
91	82
92	39