A278374 - cp's OEIS frontend

A278374 a(n) = smallest k with sigma(k) + phi(k) - 2k = A278373(n).

n	a(n)
1	1
2	4
3	6
4	8
5	27
6	125
7	16
8	12
9	18
10	20
11	28
12	50
13	63
14	32
15	44
16	98
17	52
18	24
19	68
20	42
21	242
22	40
23	70
24	338
25	54
26	36
27	56
28	116
29	78
30	578
31	165
32	130
33	722
34	135
35	48
36	164
37	114
38	1058
39	104
40	188
41	285
42	138
43	100
44	80
45	230
46	1682
47	136
48	128
49	60
50	1922
51	244
52	152
53	741
54	112
55	225
56	351
57	72
58	284
59	2738
60	90
61	84
62	651
63	222
64	3362
65	711
66	332
67	3698
68	459
69	196
70	96
71	162
72	356

[1, 4, 6, 8, 27, 125, 16, 12, 18, 20, 28, 50, 63, 32, 44, 98, 52, 24, 68, 42, 242, 40, 70, 338, 54, 36, 56, 116, 78, 578, 165, 130, 722, 135, 48, 164, 114, 1058, 104, 188, 285, 138, 100, 80, 230, 1682, 136, 128, 60, 1922, 244, 152, 741, 112, 225, 351, 72, 284, 2738, 90, 84, 651, 222, 3362, 711, 332, 3698, 459, 196, 96, 162, 356]

cp's OEIS Frontend

A278374 a(n) = smallest k with sigma(k) + phi(k) - 2k = A278373(n).

Table of values

List of values