A286235 - cp's OEIS frontend

A286235 Triangular table T(n,k) = P(phi(k), floor(n/k)), where P is sequence A000027 used as a pairing function N x N -> N, and phi is Euler totient function, A000010. Table is read by rows as T(1,1), T(2,1), T(2,2), etc.

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

[1, 2, 1, 4, 1, 3, 7, 2, 3, 3, 11, 2, 3, 3, 10, 16, 4, 5, 3, 10, 3, 22, 4, 5, 3, 10, 3, 21, 29, 7, 5, 5, 10, 3, 21, 10, 37, 7, 8, 5, 10, 3, 21, 10, 21, 46, 11, 8, 5, 14, 3, 21, 10, 21, 10, 56, 11, 8, 5, 14, 3, 21, 10, 21, 10, 55, 67, 16, 12, 8, 14, 5, 21, 10, 21, 10, 55, 10, 79, 16, 12, 8, 14, 5, 21, 10, 21, 10, 55, 10, 78, 92, 22, 12, 8, 14, 5, 27, 10, 21, 10, 55, 10, 78, 21]

cp's OEIS Frontend

A286235 Triangular table T(n,k) = P(phi(k), floor(n/k)), where P is sequence A000027 used as a pairing function N x N -> N, and phi is Euler totient function, A000010. Table is read by rows as T(1,1), T(2,1), T(2,2), etc.

Table of values

List of values

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

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

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