A094466 - cp's OEIS frontend

A094466 a[n] is the smallest integer with property that phi[n+a[n]]=sigma[n].

n	a(n)
1	1
2	3
3	5
4	3
5	19
6	3
7	7
8	3
9	11
10	23
11	5
12	19
13	6
14	23
15	7
16	47
17	6
18	14
19	6
20	7
21	15
22	11
23	43
24	46
25	10
26	20
27	6
28	11
29	33
30	23
31	45
32	22
33	6
34	15
35	14
36	38
37	51
38	15
39	14
40	21
41	10
42	41
43	12
44	19
45	27
46	23
47	69
48	22
49	24
50	22
51	15
52	14
53	15
54	14
55	21
56	26
57	23
58	55
59	15
60	14
61	30
62	20
63	23
64	87
65	15
66	14
67	31
68	26
69	27
70	139
71	15
72	14
73	35
74	20
75	33

[1, 3, 5, 3, 19, 3, 7, 3, 11, 23, 5, 19, 6, 23, 7, 47, 6, 14, 6, 7, 15, 11, 43, 46, 10, 20, 6, 11, 33, 23, 45, 22, 6, 15, 14, 38, 51, 15, 14, 21, 10, 41, 12, 19, 27, 23, 69, 22, 24, 22, 15, 14, 15, 14, 21, 26, 23, 55, 15, 14, 30, 20, 23, 87, 15, 14, 31, 26, 27, 139, 15, 14, 35, 20, 33]

cp's OEIS Frontend

A094466 a[n] is the smallest integer with property that phi[n+a[n]]=sigma[n].

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	3
5	19
6	3
7	7
8	3
9	11
10	23
11	5
12	19
13	6
14	23
15	7
16	47
17	6
18	14
19	6
20	7
21	15
22	11
23	43
24	46
25	10
26	20
27	6
28	11
29	33
30	23
31	45
32	22
33	6
34	15
35	14
36	38
37	51
38	15
39	14
40	21
41	10
42	41
43	12
44	19
45	27
46	23
47	69
48	22
49	24
50	22
51	15
52	14
53	15
54	14
55	21
56	26
57	23
58	55
59	15
60	14
61	30
62	20
63	23
64	87
65	15
66	14
67	31
68	26
69	27
70	139
71	15
72	14
73	35
74	20
75	33

n	a(n)
1	1
2	3
3	5
4	3
5	19
6	3
7	7
8	3
9	11
10	23
11	5
12	19
13	6
14	23
15	7
16	47
17	6
18	14
19	6
20	7
21	15
22	11
23	43
24	46
25	10
26	20
27	6
28	11
29	33
30	23
31	45
32	22
33	6
34	15
35	14
36	38
37	51
38	15
39	14
40	21
41	10
42	41
43	12
44	19
45	27
46	23
47	69
48	22
49	24
50	22
51	15
52	14
53	15
54	14
55	21
56	26
57	23
58	55
59	15
60	14
61	30
62	20
63	23
64	87
65	15
66	14
67	31
68	26
69	27
70	139
71	15
72	14
73	35
74	20
75	33

n	a(n)
1	1
2	3
3	5
4	3
5	19
6	3
7	7
8	3
9	11
10	23
11	5
12	19
13	6
14	23
15	7
16	47
17	6
18	14
19	6
20	7
21	15
22	11
23	43
24	46
25	10
26	20
27	6
28	11
29	33
30	23
31	45
32	22
33	6
34	15
35	14
36	38
37	51
38	15
39	14
40	21
41	10
42	41
43	12
44	19
45	27
46	23
47	69
48	22
49	24
50	22
51	15
52	14
53	15
54	14
55	21
56	26
57	23
58	55
59	15
60	14
61	30
62	20
63	23
64	87
65	15
66	14
67	31
68	26
69	27
70	139
71	15
72	14
73	35
74	20
75	33