A371060 - cp's OEIS frontend

A371060 Lexicographically earliest sequence of distinct terms such that every triplet of successive digits (seen as side lengths) can form a triangle.

n	a(n)
1	1
2	2
3	21
4	22
5	3
6	4
7	5
8	6
9	7
10	8
11	9
12	28
13	72
14	65
15	24
16	32
17	23
18	31
19	33
20	13
21	34
22	25
23	42
24	43
25	35
26	36
27	44
28	14
29	41
30	441
31	442
32	45
33	26
34	52
35	54
36	46
37	37
38	53
39	55
40	15
41	51
42	551
43	552
44	56
45	27
46	62
47	66
48	16
49	61
50	661
51	662
52	67
53	38
54	63
55	57
56	39
57	73
58	64
59	47
60	48
61	58
62	49
63	68
64	59
65	69
66	74
67	75
68	76
69	77
70	17
71	71
72	771
73	772

[1, 2, 21, 22, 3, 4, 5, 6, 7, 8, 9, 28, 72, 65, 24, 32, 23, 31, 33, 13, 34, 25, 42, 43, 35, 36, 44, 14, 41, 441, 442, 45, 26, 52, 54, 46, 37, 53, 55, 15, 51, 551, 552, 56, 27, 62, 66, 16, 61, 661, 662, 67, 38, 63, 57, 39, 73, 64, 47, 48, 58, 49, 68, 59, 69, 74, 75, 76, 77, 17, 71, 771, 772]

cp's OEIS Frontend

A371060 Lexicographically earliest sequence of distinct terms such that every triplet of successive digits (seen as side lengths) can form a triangle.

Table of values

List of values

n	a(n)
1	1
2	2
3	21
4	22
5	3
6	4
7	5
8	6
9	7
10	8
11	9
12	28
13	72
14	65
15	24
16	32
17	23
18	31
19	33
20	13
21	34
22	25
23	42
24	43
25	35
26	36
27	44
28	14
29	41
30	441
31	442
32	45
33	26
34	52
35	54
36	46
37	37
38	53
39	55
40	15
41	51
42	551
43	552
44	56
45	27
46	62
47	66
48	16
49	61
50	661
51	662
52	67
53	38
54	63
55	57
56	39
57	73
58	64
59	47
60	48
61	58
62	49
63	68
64	59
65	69
66	74
67	75
68	76
69	77
70	17
71	71
72	771
73	772

n	a(n)
1	1
2	2
3	21
4	22
5	3
6	4
7	5
8	6
9	7
10	8
11	9
12	28
13	72
14	65
15	24
16	32
17	23
18	31
19	33
20	13
21	34
22	25
23	42
24	43
25	35
26	36
27	44
28	14
29	41
30	441
31	442
32	45
33	26
34	52
35	54
36	46
37	37
38	53
39	55
40	15
41	51
42	551
43	552
44	56
45	27
46	62
47	66
48	16
49	61
50	661
51	662
52	67
53	38
54	63
55	57
56	39
57	73
58	64
59	47
60	48
61	58
62	49
63	68
64	59
65	69
66	74
67	75
68	76
69	77
70	17
71	71
72	771
73	772

n	a(n)
1	1
2	2
3	21
4	22
5	3
6	4
7	5
8	6
9	7
10	8
11	9
12	28
13	72
14	65
15	24
16	32
17	23
18	31
19	33
20	13
21	34
22	25
23	42
24	43
25	35
26	36
27	44
28	14
29	41
30	441
31	442
32	45
33	26
34	52
35	54
36	46
37	37
38	53
39	55
40	15
41	51
42	551
43	552
44	56
45	27
46	62
47	66
48	16
49	61
50	661
51	662
52	67
53	38
54	63
55	57
56	39
57	73
58	64
59	47
60	48
61	58
62	49
63	68
64	59
65	69
66	74
67	75
68	76
69	77
70	17
71	71
72	771
73	772