A143111 - cp's OEIS frontend

A143111 Triangle read by rows, T(n,k) = largest proper divisor of A127093(n,k) where (largest proper divisor)(n) = A032742(n) if n>0 and 0 if n=0.

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	2
11	1
12	0
13	0
14	0
15	1
16	1
17	1
18	1
19	0
20	0
21	3
22	1
23	0
24	0
25	0
26	0
27	0
28	1
29	1
30	1
31	0
32	2
33	0
34	0
35	0
36	4
37	1
38	0
39	1
40	0
41	0
42	0
43	0
44	0
45	3
46	1
47	1
48	0
49	0
50	1
51	0
52	0
53	0
54	0
55	5
56	1
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	1
67	1
68	1
69	1
70	2
71	0
72	3
73	0
74	0
75	0
76	0
77	0
78	6
79	1
80	0
81	0
82	0
83	0
84	0
85	0
86	0
87	0
88	0
89	0
90	0
91	1
92	1
93	1
94	0
95	0
96	0
97	0
98	1
99	0
100	0
101	0
102	0
103	0
104	0
105	7

[1, 1, 1, 1, 0, 1, 1, 1, 0, 2, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 3, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 2, 0, 0, 0, 4, 1, 0, 1, 0, 0, 0, 0, 0, 3, 1, 1, 0, 0, 1, 0, 0, 0, 0, 5, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 0, 3, 0, 0, 0, 0, 0, 6, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 7]

cp's OEIS Frontend

A143111 Triangle read by rows, T(n,k) = largest proper divisor of A127093(n,k) where (largest proper divisor)(n) = A032742(n) if n>0 and 0 if n=0.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	2
11	1
12	0
13	0
14	0
15	1
16	1
17	1
18	1
19	0
20	0
21	3
22	1
23	0
24	0
25	0
26	0
27	0
28	1
29	1
30	1
31	0
32	2
33	0
34	0
35	0
36	4
37	1
38	0
39	1
40	0
41	0
42	0
43	0
44	0
45	3
46	1
47	1
48	0
49	0
50	1
51	0
52	0
53	0
54	0
55	5
56	1
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	1
67	1
68	1
69	1
70	2
71	0
72	3
73	0
74	0
75	0
76	0
77	0
78	6
79	1
80	0
81	0
82	0
83	0
84	0
85	0
86	0
87	0
88	0
89	0
90	0
91	1
92	1
93	1
94	0
95	0
96	0
97	0
98	1
99	0
100	0
101	0
102	0
103	0
104	0
105	7

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	2
11	1
12	0
13	0
14	0
15	1
16	1
17	1
18	1
19	0
20	0
21	3
22	1
23	0
24	0
25	0
26	0
27	0
28	1
29	1
30	1
31	0
32	2
33	0
34	0
35	0
36	4
37	1
38	0
39	1
40	0
41	0
42	0
43	0
44	0
45	3
46	1
47	1
48	0
49	0
50	1
51	0
52	0
53	0
54	0
55	5
56	1
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	1
67	1
68	1
69	1
70	2
71	0
72	3
73	0
74	0
75	0
76	0
77	0
78	6
79	1
80	0
81	0
82	0
83	0
84	0
85	0
86	0
87	0
88	0
89	0
90	0
91	1
92	1
93	1
94	0
95	0
96	0
97	0
98	1
99	0
100	0
101	0
102	0
103	0
104	0
105	7

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	2
11	1
12	0
13	0
14	0
15	1
16	1
17	1
18	1
19	0
20	0
21	3
22	1
23	0
24	0
25	0
26	0
27	0
28	1
29	1
30	1
31	0
32	2
33	0
34	0
35	0
36	4
37	1
38	0
39	1
40	0
41	0
42	0
43	0
44	0
45	3
46	1
47	1
48	0
49	0
50	1
51	0
52	0
53	0
54	0
55	5
56	1
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	1
67	1
68	1
69	1
70	2
71	0
72	3
73	0
74	0
75	0
76	0
77	0
78	6
79	1
80	0
81	0
82	0
83	0
84	0
85	0
86	0
87	0
88	0
89	0
90	0
91	1
92	1
93	1
94	0
95	0
96	0
97	0
98	1
99	0
100	0
101	0
102	0
103	0
104	0
105	7