A158841 - cp's OEIS frontend

A158841 Triangle read by rows, matrix product of A145677 * A004736.

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

[1, 3, 1, 7, 4, 2, 13, 9, 6, 3, 21, 16, 12, 8, 4, 31, 25, 20, 15, 10, 5, 43, 36, 30, 24, 18, 12, 6, 57, 49, 42, 35, 28, 21, 14, 7, 73, 64, 56, 48, 40, 32, 24, 16, 8, 91, 81, 72, 63, 54, 45, 36, 27, 18, 9]

cp's OEIS Frontend

A158841 Triangle read by rows, matrix product of A145677 * A004736.

Table of values

List of values

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

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

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