A327762 - cp's OEIS frontend

A327762 a(n) = smallest positive number not already in the sequence such that all n(n+1)/2 numbers in the triangle of differences of the first n terms are distinct.

n	a(n)
1	1
2	3
3	9
4	5
5	12
6	10
7	23
8	8
9	22
10	17
11	42
12	16
13	43
14	20
15	38
16	26
17	45
18	32
19	65
20	28
21	64
22	39
23	76
24	34
25	81
26	48
27	98
28	40
29	92
30	54
31	109
32	60
33	116
34	51
35	114
36	58
37	117
38	70
39	136
40	67
41	135
42	71
43	145
44	72
45	147
46	69
47	146
48	80
49	164
50	87
51	166
52	82
53	170
54	108
55	198
56	99

[1, 3, 9, 5, 12, 10, 23, 8, 22, 17, 42, 16, 43, 20, 38, 26, 45, 32, 65, 28, 64, 39, 76, 34, 81, 48, 98, 40, 92, 54, 109, 60, 116, 51, 114, 58, 117, 70, 136, 67, 135, 71, 145, 72, 147, 69, 146, 80, 164, 87, 166, 82, 170, 108, 198, 99]

cp's OEIS Frontend

A327762 a(n) = smallest positive number not already in the sequence such that all n(n+1)/2 numbers in the triangle of differences of the first n terms are distinct.

Table of values

List of values

n	a(n)
1	1
2	3
3	9
4	5
5	12
6	10
7	23
8	8
9	22
10	17
11	42
12	16
13	43
14	20
15	38
16	26
17	45
18	32
19	65
20	28
21	64
22	39
23	76
24	34
25	81
26	48
27	98
28	40
29	92
30	54
31	109
32	60
33	116
34	51
35	114
36	58
37	117
38	70
39	136
40	67
41	135
42	71
43	145
44	72
45	147
46	69
47	146
48	80
49	164
50	87
51	166
52	82
53	170
54	108
55	198
56	99

n	a(n)
1	1
2	3
3	9
4	5
5	12
6	10
7	23
8	8
9	22
10	17
11	42
12	16
13	43
14	20
15	38
16	26
17	45
18	32
19	65
20	28
21	64
22	39
23	76
24	34
25	81
26	48
27	98
28	40
29	92
30	54
31	109
32	60
33	116
34	51
35	114
36	58
37	117
38	70
39	136
40	67
41	135
42	71
43	145
44	72
45	147
46	69
47	146
48	80
49	164
50	87
51	166
52	82
53	170
54	108
55	198
56	99

n	a(n)
1	1
2	3
3	9
4	5
5	12
6	10
7	23
8	8
9	22
10	17
11	42
12	16
13	43
14	20
15	38
16	26
17	45
18	32
19	65
20	28
21	64
22	39
23	76
24	34
25	81
26	48
27	98
28	40
29	92
30	54
31	109
32	60
33	116
34	51
35	114
36	58
37	117
38	70
39	136
40	67
41	135
42	71
43	145
44	72
45	147
46	69
47	146
48	80
49	164
50	87
51	166
52	82
53	170
54	108
55	198
56	99