A076110 - cp's OEIS frontend

A076110 Triangle (read by rows) in which the n-th row contains first n terms of an arithmetic progression with first term 1 and common difference (n-1).

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	5
7	1
8	4
9	7
10	10
11	1
12	5
13	9
14	13
15	17
16	1
17	6
18	11
19	16
20	21
21	26
22	1
23	7
24	13
25	19
26	25
27	31
28	37
29	1
30	8
31	15
32	22
33	29
34	36
35	43
36	50
37	1
38	9
39	17
40	25
41	33
42	41
43	49
44	57
45	65
46	1
47	10
48	19
49	28
50	37
51	46
52	55
53	64
54	73
55	82
56	1
57	11
58	21
59	31
60	41
61	51
62	61
63	71
64	81
65	91
66	101
67	1
68	12
69	23
70	34
71	45
72	56
73	67
74	78
75	89
76	100
77	111
78	122

[1, 1, 2, 1, 3, 5, 1, 4, 7, 10, 1, 5, 9, 13, 17, 1, 6, 11, 16, 21, 26, 1, 7, 13, 19, 25, 31, 37, 1, 8, 15, 22, 29, 36, 43, 50, 1, 9, 17, 25, 33, 41, 49, 57, 65, 1, 10, 19, 28, 37, 46, 55, 64, 73, 82, 1, 11, 21, 31, 41, 51, 61, 71, 81, 91, 101, 1, 12, 23, 34, 45, 56, 67, 78, 89, 100, 111, 122]

cp's OEIS Frontend

A076110 Triangle (read by rows) in which the n-th row contains first n terms of an arithmetic progression with first term 1 and common difference (n-1).

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	5
7	1
8	4
9	7
10	10
11	1
12	5
13	9
14	13
15	17
16	1
17	6
18	11
19	16
20	21
21	26
22	1
23	7
24	13
25	19
26	25
27	31
28	37
29	1
30	8
31	15
32	22
33	29
34	36
35	43
36	50
37	1
38	9
39	17
40	25
41	33
42	41
43	49
44	57
45	65
46	1
47	10
48	19
49	28
50	37
51	46
52	55
53	64
54	73
55	82
56	1
57	11
58	21
59	31
60	41
61	51
62	61
63	71
64	81
65	91
66	101
67	1
68	12
69	23
70	34
71	45
72	56
73	67
74	78
75	89
76	100
77	111
78	122

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	5
7	1
8	4
9	7
10	10
11	1
12	5
13	9
14	13
15	17
16	1
17	6
18	11
19	16
20	21
21	26
22	1
23	7
24	13
25	19
26	25
27	31
28	37
29	1
30	8
31	15
32	22
33	29
34	36
35	43
36	50
37	1
38	9
39	17
40	25
41	33
42	41
43	49
44	57
45	65
46	1
47	10
48	19
49	28
50	37
51	46
52	55
53	64
54	73
55	82
56	1
57	11
58	21
59	31
60	41
61	51
62	61
63	71
64	81
65	91
66	101
67	1
68	12
69	23
70	34
71	45
72	56
73	67
74	78
75	89
76	100
77	111
78	122

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	5
7	1
8	4
9	7
10	10
11	1
12	5
13	9
14	13
15	17
16	1
17	6
18	11
19	16
20	21
21	26
22	1
23	7
24	13
25	19
26	25
27	31
28	37
29	1
30	8
31	15
32	22
33	29
34	36
35	43
36	50
37	1
38	9
39	17
40	25
41	33
42	41
43	49
44	57
45	65
46	1
47	10
48	19
49	28
50	37
51	46
52	55
53	64
54	73
55	82
56	1
57	11
58	21
59	31
60	41
61	51
62	61
63	71
64	81
65	91
66	101
67	1
68	12
69	23
70	34
71	45
72	56
73	67
74	78
75	89
76	100
77	111
78	122