A339106 - cp's OEIS frontend

A339106 Triangle read by rows: T(n,k) = A000203(n-k+1)*A000041(k-1), n >= 1, 1 <= k <= n.

n	a(n)
1	1
2	3
3	1
4	4
5	3
6	2
7	7
8	4
9	6
10	3
11	6
12	7
13	8
14	9
15	5
16	12
17	6
18	14
19	12
20	15
21	7
22	8
23	12
24	12
25	21
26	20
27	21
28	11
29	15
30	8
31	24
32	18
33	35
34	28
35	33
36	15
37	13
38	15
39	16
40	36
41	30
42	49
43	44
44	45
45	22
46	18
47	13
48	30
49	24
50	60
51	42
52	77
53	60
54	66
55	30
56	12
57	18
58	26
59	45
60	40
61	84
62	66
63	105
64	88
65	90
66	42
67	28
68	12
69	36
70	39
71	75
72	56
73	132
74	90
75	154
76	120
77	126
78	56

[1, 3, 1, 4, 3, 2, 7, 4, 6, 3, 6, 7, 8, 9, 5, 12, 6, 14, 12, 15, 7, 8, 12, 12, 21, 20, 21, 11, 15, 8, 24, 18, 35, 28, 33, 15, 13, 15, 16, 36, 30, 49, 44, 45, 22, 18, 13, 30, 24, 60, 42, 77, 60, 66, 30, 12, 18, 26, 45, 40, 84, 66, 105, 88, 90, 42, 28, 12, 36, 39, 75, 56, 132, 90, 154, 120, 126, 56]

cp's OEIS Frontend

A339106 Triangle read by rows: T(n,k) = A000203(n-k+1)*A000041(k-1), n >= 1, 1 <= k <= n.

Table of values

List of values

n	a(n)
1	1
2	3
3	1
4	4
5	3
6	2
7	7
8	4
9	6
10	3
11	6
12	7
13	8
14	9
15	5
16	12
17	6
18	14
19	12
20	15
21	7
22	8
23	12
24	12
25	21
26	20
27	21
28	11
29	15
30	8
31	24
32	18
33	35
34	28
35	33
36	15
37	13
38	15
39	16
40	36
41	30
42	49
43	44
44	45
45	22
46	18
47	13
48	30
49	24
50	60
51	42
52	77
53	60
54	66
55	30
56	12
57	18
58	26
59	45
60	40
61	84
62	66
63	105
64	88
65	90
66	42
67	28
68	12
69	36
70	39
71	75
72	56
73	132
74	90
75	154
76	120
77	126
78	56

n	a(n)
1	1
2	3
3	1
4	4
5	3
6	2
7	7
8	4
9	6
10	3
11	6
12	7
13	8
14	9
15	5
16	12
17	6
18	14
19	12
20	15
21	7
22	8
23	12
24	12
25	21
26	20
27	21
28	11
29	15
30	8
31	24
32	18
33	35
34	28
35	33
36	15
37	13
38	15
39	16
40	36
41	30
42	49
43	44
44	45
45	22
46	18
47	13
48	30
49	24
50	60
51	42
52	77
53	60
54	66
55	30
56	12
57	18
58	26
59	45
60	40
61	84
62	66
63	105
64	88
65	90
66	42
67	28
68	12
69	36
70	39
71	75
72	56
73	132
74	90
75	154
76	120
77	126
78	56

n	a(n)
1	1
2	3
3	1
4	4
5	3
6	2
7	7
8	4
9	6
10	3
11	6
12	7
13	8
14	9
15	5
16	12
17	6
18	14
19	12
20	15
21	7
22	8
23	12
24	12
25	21
26	20
27	21
28	11
29	15
30	8
31	24
32	18
33	35
34	28
35	33
36	15
37	13
38	15
39	16
40	36
41	30
42	49
43	44
44	45
45	22
46	18
47	13
48	30
49	24
50	60
51	42
52	77
53	60
54	66
55	30
56	12
57	18
58	26
59	45
60	40
61	84
62	66
63	105
64	88
65	90
66	42
67	28
68	12
69	36
70	39
71	75
72	56
73	132
74	90
75	154
76	120
77	126
78	56