A271384 - cp's OEIS frontend

A271384 Least k with precisely n partitions k = x + y satisfying phi(k) = phi(x) + phi(y), where phi(k) is the Euler totient function of k.

n	a(n)
1	3
2	14
3	20
4	28
5	44
6	92
7	112
8	224
9	266
10	260
11	404
12	380
13	476
14	552
15	558
16	696
17	860
18	984
19	846
20	1062
21	1388
22	1128
23	1278
24	1752
25	1494
26	1422
27	2034
28	1926
29	1704
30	1992
31	2358
32	2466
33	2712
34	2424
35	2718
36	3222
37	3006
38	3258
39	4924
40	3288
41	3582
42	4296
43	3798
44	4008
45	4518
46	5688
47	5094
48	5352

[3, 14, 20, 28, 44, 92, 112, 224, 266, 260, 404, 380, 476, 552, 558, 696, 860, 984, 846, 1062, 1388, 1128, 1278, 1752, 1494, 1422, 2034, 1926, 1704, 1992, 2358, 2466, 2712, 2424, 2718, 3222, 3006, 3258, 4924, 3288, 3582, 4296, 3798, 4008, 4518, 5688, 5094, 5352]

cp's OEIS Frontend

A271384 Least k with precisely n partitions k = x + y satisfying phi(k) = phi(x) + phi(y), where phi(k) is the Euler totient function of k.

Table of values

List of values