A107985 - cp's OEIS frontend

A107985 Triangle read by rows: T(n,k) = (k+1)(n+2)(n-k+1)/2 for 0 <= k <= n.

n	a(n)
0	1
1	3
2	3
3	6
4	8
5	6
6	10
7	15
8	15
9	10
10	15
11	24
12	27
13	24
14	15
15	21
16	35
17	42
18	42
19	35
20	21
21	28
22	48
23	60
24	64
25	60
26	48
27	28
28	36
29	63
30	81
31	90
32	90
33	81
34	63
35	36
36	45
37	80
38	105
39	120
40	125
41	120
42	105
43	80
44	45
45	55
46	99
47	132
48	154
49	165
50	165
51	154
52	132
53	99
54	55
55	66
56	120
57	162
58	192
59	210
60	216
61	210
62	192
63	162
64	120
65	66

[1, 3, 3, 6, 8, 6, 10, 15, 15, 10, 15, 24, 27, 24, 15, 21, 35, 42, 42, 35, 21, 28, 48, 60, 64, 60, 48, 28, 36, 63, 81, 90, 90, 81, 63, 36, 45, 80, 105, 120, 125, 120, 105, 80, 45, 55, 99, 132, 154, 165, 165, 154, 132, 99, 55, 66, 120, 162, 192, 210, 216, 210, 192, 162, 120, 66]

cp's OEIS Frontend

A107985 Triangle read by rows: T(n,k) = (k+1)(n+2)(n-k+1)/2 for 0 <= k <= n.

Table of values

List of values

n	a(n)
0	1
1	3
2	3
3	6
4	8
5	6
6	10
7	15
8	15
9	10
10	15
11	24
12	27
13	24
14	15
15	21
16	35
17	42
18	42
19	35
20	21
21	28
22	48
23	60
24	64
25	60
26	48
27	28
28	36
29	63
30	81
31	90
32	90
33	81
34	63
35	36
36	45
37	80
38	105
39	120
40	125
41	120
42	105
43	80
44	45
45	55
46	99
47	132
48	154
49	165
50	165
51	154
52	132
53	99
54	55
55	66
56	120
57	162
58	192
59	210
60	216
61	210
62	192
63	162
64	120
65	66

n	a(n)
0	1
1	3
2	3
3	6
4	8
5	6
6	10
7	15
8	15
9	10
10	15
11	24
12	27
13	24
14	15
15	21
16	35
17	42
18	42
19	35
20	21
21	28
22	48
23	60
24	64
25	60
26	48
27	28
28	36
29	63
30	81
31	90
32	90
33	81
34	63
35	36
36	45
37	80
38	105
39	120
40	125
41	120
42	105
43	80
44	45
45	55
46	99
47	132
48	154
49	165
50	165
51	154
52	132
53	99
54	55
55	66
56	120
57	162
58	192
59	210
60	216
61	210
62	192
63	162
64	120
65	66

cp's OEIS Frontend

A107985 Triangle read by rows: T(n,k) = (k+1)*(n+2)*(n-k+1)/2 for 0 <= k <= n.

Table of values

List of values

A107985 Triangle read by rows: T(n,k) = (k+1)(n+2)(n-k+1)/2 for 0 <= k <= n.

n	a(n)
0	1
1	3
2	3
3	6
4	8
5	6
6	10
7	15
8	15
9	10
10	15
11	24
12	27
13	24
14	15
15	21
16	35
17	42
18	42
19	35
20	21
21	28
22	48
23	60
24	64
25	60
26	48
27	28
28	36
29	63
30	81
31	90
32	90
33	81
34	63
35	36
36	45
37	80
38	105
39	120
40	125
41	120
42	105
43	80
44	45
45	55
46	99
47	132
48	154
49	165
50	165
51	154
52	132
53	99
54	55
55	66
56	120
57	162
58	192
59	210
60	216
61	210
62	192
63	162
64	120
65	66