A351153 - cp's OEIS frontend

A351153 Triangle read by rows: T(n, k) = n(k - 1) - k(k - 3)/2 with 0 < k <= n.

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

[1, 1, 3, 1, 4, 6, 1, 5, 8, 10, 1, 6, 10, 13, 15, 1, 7, 12, 16, 19, 21, 1, 8, 14, 19, 23, 26, 28, 1, 9, 16, 22, 27, 31, 34, 36, 1, 10, 18, 25, 31, 36, 40, 43, 45, 1, 11, 20, 28, 35, 41, 46, 50, 53, 55, 1, 12, 22, 31, 39, 46, 52, 57, 61, 64, 66, 1, 13, 24, 34, 43, 51, 58, 64, 69, 73, 76, 78]

cp's OEIS Frontend

A351153 Triangle read by rows: T(n, k) = n(k - 1) - k(k - 3)/2 with 0 < k <= n.

Table of values

List of values

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

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

cp's OEIS Frontend

A351153 Triangle read by rows: T(n, k) = n*(k - 1) - k*(k - 3)/2 with 0 < k <= n.

Table of values

List of values

A351153 Triangle read by rows: T(n, k) = n(k - 1) - k(k - 3)/2 with 0 < k <= n.

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