A138239 - cp's OEIS frontend

A138239 Triangle read by rows: T(n,k) = A000040(k) if A002445(n) mod A000040(k) = 0, otherwise 1.

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

[1, 2, 3, 2, 3, 5, 2, 3, 1, 7, 2, 3, 5, 1, 1, 2, 3, 1, 1, 11, 1, 2, 3, 5, 7, 1, 13, 1, 2, 3, 1, 1, 1, 1, 1, 1, 2, 3, 5, 1, 1, 1, 17, 1, 1, 2, 3, 1, 7, 1, 1, 1, 19, 1, 1, 2, 3, 5, 1, 11, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 23, 1, 1, 1, 2, 3, 5, 7, 1, 13, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1]

cp's OEIS Frontend

A138239 Triangle read by rows: T(n,k) = A000040(k) if A002445(n) mod A000040(k) = 0, otherwise 1.

Table of values

List of values

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

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

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