A158824 - cp's OEIS frontend

A158824 Triangle T(n,k) = A000292(n) if k = 1 otherwise (k-1)(n-k+1)(n-k+2)/2, read by rows.

n	a(n)
1	1
2	4
3	1
4	10
5	3
6	2
7	20
8	6
9	6
10	3
11	35
12	10
13	12
14	9
15	4
16	56
17	15
18	20
19	18
20	12
21	5
22	84
23	21
24	30
25	30
26	24
27	15
28	6
29	120
30	28
31	42
32	45
33	40
34	30
35	18
36	7
37	165
38	36
39	56
40	63
41	60
42	50
43	36
44	21
45	8
46	220
47	45
48	72
49	84
50	84
51	75
52	60
53	42
54	24
55	9
56	286
57	55
58	90
59	108
60	112
61	105
62	90
63	70
64	48
65	27
66	10
67	364
68	66
69	110
70	135
71	144
72	140
73	126
74	105
75	80
76	54
77	30
78	11

[1, 4, 1, 10, 3, 2, 20, 6, 6, 3, 35, 10, 12, 9, 4, 56, 15, 20, 18, 12, 5, 84, 21, 30, 30, 24, 15, 6, 120, 28, 42, 45, 40, 30, 18, 7, 165, 36, 56, 63, 60, 50, 36, 21, 8, 220, 45, 72, 84, 84, 75, 60, 42, 24, 9, 286, 55, 90, 108, 112, 105, 90, 70, 48, 27, 10, 364, 66, 110, 135, 144, 140, 126, 105, 80, 54, 30, 11]

cp's OEIS Frontend

A158824 Triangle T(n,k) = A000292(n) if k = 1 otherwise (k-1)(n-k+1)(n-k+2)/2, read by rows.

Table of values

List of values

n	a(n)
1	1
2	4
3	1
4	10
5	3
6	2
7	20
8	6
9	6
10	3
11	35
12	10
13	12
14	9
15	4
16	56
17	15
18	20
19	18
20	12
21	5
22	84
23	21
24	30
25	30
26	24
27	15
28	6
29	120
30	28
31	42
32	45
33	40
34	30
35	18
36	7
37	165
38	36
39	56
40	63
41	60
42	50
43	36
44	21
45	8
46	220
47	45
48	72
49	84
50	84
51	75
52	60
53	42
54	24
55	9
56	286
57	55
58	90
59	108
60	112
61	105
62	90
63	70
64	48
65	27
66	10
67	364
68	66
69	110
70	135
71	144
72	140
73	126
74	105
75	80
76	54
77	30
78	11

n	a(n)
1	1
2	4
3	1
4	10
5	3
6	2
7	20
8	6
9	6
10	3
11	35
12	10
13	12
14	9
15	4
16	56
17	15
18	20
19	18
20	12
21	5
22	84
23	21
24	30
25	30
26	24
27	15
28	6
29	120
30	28
31	42
32	45
33	40
34	30
35	18
36	7
37	165
38	36
39	56
40	63
41	60
42	50
43	36
44	21
45	8
46	220
47	45
48	72
49	84
50	84
51	75
52	60
53	42
54	24
55	9
56	286
57	55
58	90
59	108
60	112
61	105
62	90
63	70
64	48
65	27
66	10
67	364
68	66
69	110
70	135
71	144
72	140
73	126
74	105
75	80
76	54
77	30
78	11

cp's OEIS Frontend

A158824 Triangle T(n,k) = A000292(n) if k = 1 otherwise (k-1)*(n-k+1)*(n-k+2)/2, read by rows.

Table of values

List of values

A158824 Triangle T(n,k) = A000292(n) if k = 1 otherwise (k-1)(n-k+1)(n-k+2)/2, read by rows.

n	a(n)
1	1
2	4
3	1
4	10
5	3
6	2
7	20
8	6
9	6
10	3
11	35
12	10
13	12
14	9
15	4
16	56
17	15
18	20
19	18
20	12
21	5
22	84
23	21
24	30
25	30
26	24
27	15
28	6
29	120
30	28
31	42
32	45
33	40
34	30
35	18
36	7
37	165
38	36
39	56
40	63
41	60
42	50
43	36
44	21
45	8
46	220
47	45
48	72
49	84
50	84
51	75
52	60
53	42
54	24
55	9
56	286
57	55
58	90
59	108
60	112
61	105
62	90
63	70
64	48
65	27
66	10
67	364
68	66
69	110
70	135
71	144
72	140
73	126
74	105
75	80
76	54
77	30
78	11