A143612 - cp's OEIS frontend

A143612 Triangle read by rows, A127368 * A000012, 1<=k<=n.

n	a(n)
1	1
2	1
3	0
4	3
5	2
6	0
7	4
8	3
9	3
10	0
11	10
12	9
13	7
14	4
15	0
16	6
17	5
18	5
19	5
20	5
21	0
22	21
23	20
24	18
25	15
26	11
27	6
28	0
29	16
30	15
31	15
32	12
33	12
34	7
35	7
36	0
37	27
38	26
39	24
40	24
41	20
42	15
43	15
44	8
45	0
46	20
47	19
48	19
49	16
50	16
51	16
52	16
53	9
54	9
55	0
56	55
57	54
58	52
59	49
60	45
61	40
62	34
63	27
64	19
65	10
66	0
67	24
68	23
69	23
70	23
71	23
72	18
73	18
74	11
75	11
76	11
77	11
78	0
79	78
80	77
81	75

[1, 1, 0, 3, 2, 0, 4, 3, 3, 0, 10, 9, 7, 4, 0, 6, 5, 5, 5, 5, 0, 21, 20, 18, 15, 11, 6, 0, 16, 15, 15, 12, 12, 7, 7, 0, 27, 26, 24, 24, 20, 15, 15, 8, 0, 20, 19, 19, 16, 16, 16, 16, 9, 9, 0, 55, 54, 52, 49, 45, 40, 34, 27, 19, 10, 0, 24, 23, 23, 23, 23, 18, 18, 11, 11, 11, 11, 0, 78, 77, 75]

cp's OEIS Frontend

A143612 Triangle read by rows, A127368 * A000012, 1<=k<=n.

Table of values

List of values

n	a(n)
1	1
2	1
3	0
4	3
5	2
6	0
7	4
8	3
9	3
10	0
11	10
12	9
13	7
14	4
15	0
16	6
17	5
18	5
19	5
20	5
21	0
22	21
23	20
24	18
25	15
26	11
27	6
28	0
29	16
30	15
31	15
32	12
33	12
34	7
35	7
36	0
37	27
38	26
39	24
40	24
41	20
42	15
43	15
44	8
45	0
46	20
47	19
48	19
49	16
50	16
51	16
52	16
53	9
54	9
55	0
56	55
57	54
58	52
59	49
60	45
61	40
62	34
63	27
64	19
65	10
66	0
67	24
68	23
69	23
70	23
71	23
72	18
73	18
74	11
75	11
76	11
77	11
78	0
79	78
80	77
81	75

n	a(n)
1	1
2	1
3	0
4	3
5	2
6	0
7	4
8	3
9	3
10	0
11	10
12	9
13	7
14	4
15	0
16	6
17	5
18	5
19	5
20	5
21	0
22	21
23	20
24	18
25	15
26	11
27	6
28	0
29	16
30	15
31	15
32	12
33	12
34	7
35	7
36	0
37	27
38	26
39	24
40	24
41	20
42	15
43	15
44	8
45	0
46	20
47	19
48	19
49	16
50	16
51	16
52	16
53	9
54	9
55	0
56	55
57	54
58	52
59	49
60	45
61	40
62	34
63	27
64	19
65	10
66	0
67	24
68	23
69	23
70	23
71	23
72	18
73	18
74	11
75	11
76	11
77	11
78	0
79	78
80	77
81	75

n	a(n)
1	1
2	1
3	0
4	3
5	2
6	0
7	4
8	3
9	3
10	0
11	10
12	9
13	7
14	4
15	0
16	6
17	5
18	5
19	5
20	5
21	0
22	21
23	20
24	18
25	15
26	11
27	6
28	0
29	16
30	15
31	15
32	12
33	12
34	7
35	7
36	0
37	27
38	26
39	24
40	24
41	20
42	15
43	15
44	8
45	0
46	20
47	19
48	19
49	16
50	16
51	16
52	16
53	9
54	9
55	0
56	55
57	54
58	52
59	49
60	45
61	40
62	34
63	27
64	19
65	10
66	0
67	24
68	23
69	23
70	23
71	23
72	18
73	18
74	11
75	11
76	11
77	11
78	0
79	78
80	77
81	75