A091018 - cp's OEIS frontend

A091018 Numbers in n-th upward diagonal of triangle T : 0; 1, 2; 3, 4, 5; 6, 7, 8, 9; ...

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	4
6	10
7	7
8	5
9	15
10	11
11	8
12	21
13	16
14	12
15	9
16	28
17	22
18	17
19	13
20	36
21	29
22	23
23	18
24	14
25	45
26	37
27	30
28	24
29	19
30	55
31	46
32	38
33	31
34	25
35	20
36	66
37	56
38	47
39	39
40	32
41	26
42	78
43	67
44	57
45	48
46	40
47	33
48	27
49	91
50	79
51	68
52	58
53	49
54	41
55	34
56	105
57	92
58	80
59	69
60	59
61	50
62	42
63	35
64	120
65	106
66	93
67	81
68	70
69	60
70	51

[0, 1, 3, 2, 6, 4, 10, 7, 5, 15, 11, 8, 21, 16, 12, 9, 28, 22, 17, 13, 36, 29, 23, 18, 14, 45, 37, 30, 24, 19, 55, 46, 38, 31, 25, 20, 66, 56, 47, 39, 32, 26, 78, 67, 57, 48, 40, 33, 27, 91, 79, 68, 58, 49, 41, 34, 105, 92, 80, 69, 59, 50, 42, 35, 120, 106, 93, 81, 70, 60, 51]

cp's OEIS Frontend

A091018 Numbers in n-th upward diagonal of triangle T : 0; 1, 2; 3, 4, 5; 6, 7, 8, 9; ...

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	4
6	10
7	7
8	5
9	15
10	11
11	8
12	21
13	16
14	12
15	9
16	28
17	22
18	17
19	13
20	36
21	29
22	23
23	18
24	14
25	45
26	37
27	30
28	24
29	19
30	55
31	46
32	38
33	31
34	25
35	20
36	66
37	56
38	47
39	39
40	32
41	26
42	78
43	67
44	57
45	48
46	40
47	33
48	27
49	91
50	79
51	68
52	58
53	49
54	41
55	34
56	105
57	92
58	80
59	69
60	59
61	50
62	42
63	35
64	120
65	106
66	93
67	81
68	70
69	60
70	51

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	4
6	10
7	7
8	5
9	15
10	11
11	8
12	21
13	16
14	12
15	9
16	28
17	22
18	17
19	13
20	36
21	29
22	23
23	18
24	14
25	45
26	37
27	30
28	24
29	19
30	55
31	46
32	38
33	31
34	25
35	20
36	66
37	56
38	47
39	39
40	32
41	26
42	78
43	67
44	57
45	48
46	40
47	33
48	27
49	91
50	79
51	68
52	58
53	49
54	41
55	34
56	105
57	92
58	80
59	69
60	59
61	50
62	42
63	35
64	120
65	106
66	93
67	81
68	70
69	60
70	51

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	4
6	10
7	7
8	5
9	15
10	11
11	8
12	21
13	16
14	12
15	9
16	28
17	22
18	17
19	13
20	36
21	29
22	23
23	18
24	14
25	45
26	37
27	30
28	24
29	19
30	55
31	46
32	38
33	31
34	25
35	20
36	66
37	56
38	47
39	39
40	32
41	26
42	78
43	67
44	57
45	48
46	40
47	33
48	27
49	91
50	79
51	68
52	58
53	49
54	41
55	34
56	105
57	92
58	80
59	69
60	59
61	50
62	42
63	35
64	120
65	106
66	93
67	81
68	70
69	60
70	51