A367964 - cp's OEIS frontend

A367964 Triangle of 2-parameter triangular numbers, read by rows. T(n, k) = (n(n + 1) + k(k + 1)) / 2.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	6
6	6
7	7
8	9
9	12
10	10
11	11
12	13
13	16
14	20
15	15
16	16
17	18
18	21
19	25
20	30
21	21
22	22
23	24
24	27
25	31
26	36
27	42
28	28
29	29
30	31
31	34
32	38
33	43
34	49
35	56
36	36
37	37
38	39
39	42
40	46
41	51
42	57
43	64
44	72
45	45
46	46
47	48
48	51
49	55
50	60
51	66
52	73
53	81
54	90
55	55
56	56
57	58
58	61
59	65
60	70
61	76
62	83
63	91
64	100
65	110

[0, 1, 2, 3, 4, 6, 6, 7, 9, 12, 10, 11, 13, 16, 20, 15, 16, 18, 21, 25, 30, 21, 22, 24, 27, 31, 36, 42, 28, 29, 31, 34, 38, 43, 49, 56, 36, 37, 39, 42, 46, 51, 57, 64, 72, 45, 46, 48, 51, 55, 60, 66, 73, 81, 90, 55, 56, 58, 61, 65, 70, 76, 83, 91, 100, 110]

cp's OEIS Frontend

A367964 Triangle of 2-parameter triangular numbers, read by rows. T(n, k) = (n(n + 1) + k(k + 1)) / 2.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	6
6	6
7	7
8	9
9	12
10	10
11	11
12	13
13	16
14	20
15	15
16	16
17	18
18	21
19	25
20	30
21	21
22	22
23	24
24	27
25	31
26	36
27	42
28	28
29	29
30	31
31	34
32	38
33	43
34	49
35	56
36	36
37	37
38	39
39	42
40	46
41	51
42	57
43	64
44	72
45	45
46	46
47	48
48	51
49	55
50	60
51	66
52	73
53	81
54	90
55	55
56	56
57	58
58	61
59	65
60	70
61	76
62	83
63	91
64	100
65	110

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	6
6	6
7	7
8	9
9	12
10	10
11	11
12	13
13	16
14	20
15	15
16	16
17	18
18	21
19	25
20	30
21	21
22	22
23	24
24	27
25	31
26	36
27	42
28	28
29	29
30	31
31	34
32	38
33	43
34	49
35	56
36	36
37	37
38	39
39	42
40	46
41	51
42	57
43	64
44	72
45	45
46	46
47	48
48	51
49	55
50	60
51	66
52	73
53	81
54	90
55	55
56	56
57	58
58	61
59	65
60	70
61	76
62	83
63	91
64	100
65	110

cp's OEIS Frontend

A367964 Triangle of 2-parameter triangular numbers, read by rows. T(n, k) = (n*(n + 1) + k*(k + 1)) / 2.

Table of values

List of values

A367964 Triangle of 2-parameter triangular numbers, read by rows. T(n, k) = (n(n + 1) + k(k + 1)) / 2.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	6
6	6
7	7
8	9
9	12
10	10
11	11
12	13
13	16
14	20
15	15
16	16
17	18
18	21
19	25
20	30
21	21
22	22
23	24
24	27
25	31
26	36
27	42
28	28
29	29
30	31
31	34
32	38
33	43
34	49
35	56
36	36
37	37
38	39
39	42
40	46
41	51
42	57
43	64
44	72
45	45
46	46
47	48
48	51
49	55
50	60
51	66
52	73
53	81
54	90
55	55
56	56
57	58
58	61
59	65
60	70
61	76
62	83
63	91
64	100
65	110