A383191 - cp's OEIS frontend

A383191 a(n) is the number on the n-th position on the square spiral on the plane tiled with dominoes always placed nearest to the origin and so that no two dominos share a long side. Inverse permutation of A383190.

n	a(n)
0	0
1	1
2	8
3	2
4	3
5	4
6	5
7	6
8	10
9	11
10	12
11	9
12	26
13	15
14	14
15	18
16	19
17	17
18	16
19	20
20	21
21	22
22	7
23	24
24	28
25	29
26	42
27	13
28	36
29	27
30	66
31	39
32	38
33	30
34	31
35	44
36	45
37	41
38	40
39	32
40	33
41	46
42	47
43	48
44	23
45	34
46	25
47	50
48	68
49	69
50	76
51	43
52	52
53	37
54	70
55	67
56	108
57	73
58	72
59	55
60	54
61	58
62	59
63	80
64	81
65	75
66	74
67	57
68	56
69	60
70	61
71	84
72	85
73	86
74	49
75	62

[0, 1, 8, 2, 3, 4, 5, 6, 10, 11, 12, 9, 26, 15, 14, 18, 19, 17, 16, 20, 21, 22, 7, 24, 28, 29, 42, 13, 36, 27, 66, 39, 38, 30, 31, 44, 45, 41, 40, 32, 33, 46, 47, 48, 23, 34, 25, 50, 68, 69, 76, 43, 52, 37, 70, 67, 108, 73, 72, 55, 54, 58, 59, 80, 81, 75, 74, 57, 56, 60, 61, 84, 85, 86, 49, 62]

cp's OEIS Frontend

A383191 a(n) is the number on the n-th position on the square spiral on the plane tiled with dominoes always placed nearest to the origin and so that no two dominos share a long side. Inverse permutation of A383190.

Table of values

List of values

n	a(n)
0	0
1	1
2	8
3	2
4	3
5	4
6	5
7	6
8	10
9	11
10	12
11	9
12	26
13	15
14	14
15	18
16	19
17	17
18	16
19	20
20	21
21	22
22	7
23	24
24	28
25	29
26	42
27	13
28	36
29	27
30	66
31	39
32	38
33	30
34	31
35	44
36	45
37	41
38	40
39	32
40	33
41	46
42	47
43	48
44	23
45	34
46	25
47	50
48	68
49	69
50	76
51	43
52	52
53	37
54	70
55	67
56	108
57	73
58	72
59	55
60	54
61	58
62	59
63	80
64	81
65	75
66	74
67	57
68	56
69	60
70	61
71	84
72	85
73	86
74	49
75	62

n	a(n)
0	0
1	1
2	8
3	2
4	3
5	4
6	5
7	6
8	10
9	11
10	12
11	9
12	26
13	15
14	14
15	18
16	19
17	17
18	16
19	20
20	21
21	22
22	7
23	24
24	28
25	29
26	42
27	13
28	36
29	27
30	66
31	39
32	38
33	30
34	31
35	44
36	45
37	41
38	40
39	32
40	33
41	46
42	47
43	48
44	23
45	34
46	25
47	50
48	68
49	69
50	76
51	43
52	52
53	37
54	70
55	67
56	108
57	73
58	72
59	55
60	54
61	58
62	59
63	80
64	81
65	75
66	74
67	57
68	56
69	60
70	61
71	84
72	85
73	86
74	49
75	62

n	a(n)
0	0
1	1
2	8
3	2
4	3
5	4
6	5
7	6
8	10
9	11
10	12
11	9
12	26
13	15
14	14
15	18
16	19
17	17
18	16
19	20
20	21
21	22
22	7
23	24
24	28
25	29
26	42
27	13
28	36
29	27
30	66
31	39
32	38
33	30
34	31
35	44
36	45
37	41
38	40
39	32
40	33
41	46
42	47
43	48
44	23
45	34
46	25
47	50
48	68
49	69
50	76
51	43
52	52
53	37
54	70
55	67
56	108
57	73
58	72
59	55
60	54
61	58
62	59
63	80
64	81
65	75
66	74
67	57
68	56
69	60
70	61
71	84
72	85
73	86
74	49
75	62