A345891 - cp's OEIS frontend

A345891 a(n) = n + (n - 1) * phi(n).

n	a(n)
1	1
2	3
3	7
4	10
5	21
6	16
7	43
8	36
9	57
10	46
11	111
12	56
13	157
14	92
15	127
16	136
17	273
18	120
19	343
20	172
21	261
22	232
23	507
24	208
25	505
26	326
27	495
28	352
29	813
30	262
31	931
32	528
33	673
34	562
35	851
36	456
37	1333
38	704
39	951
40	664
41	1641
42	534
43	1807
44	904
45	1101
46	1036
47	2163
48	800
49	2065
50	1030
51	1651
52	1276
53	2757
54	1008
55	2215
56	1376

[1, 3, 7, 10, 21, 16, 43, 36, 57, 46, 111, 56, 157, 92, 127, 136, 273, 120, 343, 172, 261, 232, 507, 208, 505, 326, 495, 352, 813, 262, 931, 528, 673, 562, 851, 456, 1333, 704, 951, 664, 1641, 534, 1807, 904, 1101, 1036, 2163, 800, 2065, 1030, 1651, 1276, 2757, 1008, 2215, 1376]

cp's OEIS Frontend

A345891 a(n) = n + (n - 1) * phi(n).

Table of values

List of values