A351043 - cp's OEIS frontend

A351043 Lexicographically earliest non-extendable Racetrack trajectory (using von Neumann neighborhood) on spiral on infinite square grid.

n	a(n)
0	0
1	1
2	9
3	24
4	46
5	45
6	21
7	6
8	4
9	15
10	33
11	32
12	12
13	11
14	10
15	8
16	7
17	5
18	16
19	36
20	63
21	97
22	96
23	60
24	13
25	27
26	50
27	80
28	119
29	165
30	164
31	116
32	75
33	41
34	68
35	66
36	64
37	99
38	141
39	140
40	138
41	93
42	55
43	86
44	84
45	49
46	79
47	78
48	76
49	43
50	69
51	104
52	102
53	100
54	143
55	193
56	192
57	190
58	137
59	57
60	54
61	52
62	25

[0, 1, 9, 24, 46, 45, 21, 6, 4, 15, 33, 32, 12, 11, 10, 8, 7, 5, 16, 36, 63, 97, 96, 60, 13, 27, 50, 80, 119, 165, 164, 116, 75, 41, 68, 66, 64, 99, 141, 140, 138, 93, 55, 86, 84, 49, 79, 78, 76, 43, 69, 104, 102, 100, 143, 193, 192, 190, 137, 57, 54, 52, 25]

cp's OEIS Frontend

A351043 Lexicographically earliest non-extendable Racetrack trajectory (using von Neumann neighborhood) on spiral on infinite square grid.

Table of values

List of values

n	a(n)
0	0
1	1
2	9
3	24
4	46
5	45
6	21
7	6
8	4
9	15
10	33
11	32
12	12
13	11
14	10
15	8
16	7
17	5
18	16
19	36
20	63
21	97
22	96
23	60
24	13
25	27
26	50
27	80
28	119
29	165
30	164
31	116
32	75
33	41
34	68
35	66
36	64
37	99
38	141
39	140
40	138
41	93
42	55
43	86
44	84
45	49
46	79
47	78
48	76
49	43
50	69
51	104
52	102
53	100
54	143
55	193
56	192
57	190
58	137
59	57
60	54
61	52
62	25

n	a(n)
0	0
1	1
2	9
3	24
4	46
5	45
6	21
7	6
8	4
9	15
10	33
11	32
12	12
13	11
14	10
15	8
16	7
17	5
18	16
19	36
20	63
21	97
22	96
23	60
24	13
25	27
26	50
27	80
28	119
29	165
30	164
31	116
32	75
33	41
34	68
35	66
36	64
37	99
38	141
39	140
40	138
41	93
42	55
43	86
44	84
45	49
46	79
47	78
48	76
49	43
50	69
51	104
52	102
53	100
54	143
55	193
56	192
57	190
58	137
59	57
60	54
61	52
62	25

n	a(n)
0	0
1	1
2	9
3	24
4	46
5	45
6	21
7	6
8	4
9	15
10	33
11	32
12	12
13	11
14	10
15	8
16	7
17	5
18	16
19	36
20	63
21	97
22	96
23	60
24	13
25	27
26	50
27	80
28	119
29	165
30	164
31	116
32	75
33	41
34	68
35	66
36	64
37	99
38	141
39	140
40	138
41	93
42	55
43	86
44	84
45	49
46	79
47	78
48	76
49	43
50	69
51	104
52	102
53	100
54	143
55	193
56	192
57	190
58	137
59	57
60	54
61	52
62	25