A104566 - cp's OEIS frontend

A104566 Triangle read by rows: T(i,j) is the (i,j)-entry (1 <= j <= i) of the product H*R of the infinite lower triangular matrices H = [1; 1,2; 1,2,1; 1 2,1,2; ...] and R = [1; 1,1; 1,1,1; 1,1,1,1; ...].

n	a(n)
1	1
2	3
3	2
4	4
5	3
6	1
7	6
8	5
9	3
10	2
11	7
12	6
13	4
14	3
15	1
16	9
17	8
18	6
19	5
20	3
21	2
22	10
23	9
24	7
25	6
26	4
27	3
28	1
29	12
30	11
31	9
32	8
33	6
34	5
35	3
36	2
37	13
38	12
39	10
40	9
41	7
42	6
43	4
44	3
45	1
46	15
47	14
48	12
49	11
50	9
51	8
52	6
53	5
54	3
55	2
56	16
57	15
58	13
59	12
60	10
61	9
62	7
63	6
64	4
65	3
66	1
67	18
68	17
69	15
70	14
71	12
72	11
73	9
74	8
75	6
76	5
77	3
78	2
79	19
80	18
81	16
82	15
83	13
84	12
85	10
86	9
87	7
88	6
89	4
90	3
91	1

[1, 3, 2, 4, 3, 1, 6, 5, 3, 2, 7, 6, 4, 3, 1, 9, 8, 6, 5, 3, 2, 10, 9, 7, 6, 4, 3, 1, 12, 11, 9, 8, 6, 5, 3, 2, 13, 12, 10, 9, 7, 6, 4, 3, 1, 15, 14, 12, 11, 9, 8, 6, 5, 3, 2, 16, 15, 13, 12, 10, 9, 7, 6, 4, 3, 1, 18, 17, 15, 14, 12, 11, 9, 8, 6, 5, 3, 2, 19, 18, 16, 15, 13, 12, 10, 9, 7, 6, 4, 3, 1]

cp's OEIS Frontend

A104566 Triangle read by rows: T(i,j) is the (i,j)-entry (1 <= j <= i) of the product H*R of the infinite lower triangular matrices H = [1; 1,2; 1,2,1; 1 2,1,2; ...] and R = [1; 1,1; 1,1,1; 1,1,1,1; ...].

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	4
5	3
6	1
7	6
8	5
9	3
10	2
11	7
12	6
13	4
14	3
15	1
16	9
17	8
18	6
19	5
20	3
21	2
22	10
23	9
24	7
25	6
26	4
27	3
28	1
29	12
30	11
31	9
32	8
33	6
34	5
35	3
36	2
37	13
38	12
39	10
40	9
41	7
42	6
43	4
44	3
45	1
46	15
47	14
48	12
49	11
50	9
51	8
52	6
53	5
54	3
55	2
56	16
57	15
58	13
59	12
60	10
61	9
62	7
63	6
64	4
65	3
66	1
67	18
68	17
69	15
70	14
71	12
72	11
73	9
74	8
75	6
76	5
77	3
78	2
79	19
80	18
81	16
82	15
83	13
84	12
85	10
86	9
87	7
88	6
89	4
90	3
91	1

n	a(n)
1	1
2	3
3	2
4	4
5	3
6	1
7	6
8	5
9	3
10	2
11	7
12	6
13	4
14	3
15	1
16	9
17	8
18	6
19	5
20	3
21	2
22	10
23	9
24	7
25	6
26	4
27	3
28	1
29	12
30	11
31	9
32	8
33	6
34	5
35	3
36	2
37	13
38	12
39	10
40	9
41	7
42	6
43	4
44	3
45	1
46	15
47	14
48	12
49	11
50	9
51	8
52	6
53	5
54	3
55	2
56	16
57	15
58	13
59	12
60	10
61	9
62	7
63	6
64	4
65	3
66	1
67	18
68	17
69	15
70	14
71	12
72	11
73	9
74	8
75	6
76	5
77	3
78	2
79	19
80	18
81	16
82	15
83	13
84	12
85	10
86	9
87	7
88	6
89	4
90	3
91	1

n	a(n)
1	1
2	3
3	2
4	4
5	3
6	1
7	6
8	5
9	3
10	2
11	7
12	6
13	4
14	3
15	1
16	9
17	8
18	6
19	5
20	3
21	2
22	10
23	9
24	7
25	6
26	4
27	3
28	1
29	12
30	11
31	9
32	8
33	6
34	5
35	3
36	2
37	13
38	12
39	10
40	9
41	7
42	6
43	4
44	3
45	1
46	15
47	14
48	12
49	11
50	9
51	8
52	6
53	5
54	3
55	2
56	16
57	15
58	13
59	12
60	10
61	9
62	7
63	6
64	4
65	3
66	1
67	18
68	17
69	15
70	14
71	12
72	11
73	9
74	8
75	6
76	5
77	3
78	2
79	19
80	18
81	16
82	15
83	13
84	12
85	10
86	9
87	7
88	6
89	4
90	3
91	1