A342398 - cp's OEIS frontend

A342398 Numbers k such that there is a subset of the nontrivial unitary divisors of k, {d|k : 1 < d < k, gcd(d, k/d) = 1}, that adds up to k.

n	a(n)
1	30
2	42
3	66
4	78
5	102
6	114
7	138
8	150
9	174
10	186
11	210
12	222
13	246
14	258
15	282
16	294
17	318
18	330
19	354
20	366
21	390
22	402
23	420
24	426
25	438
26	462
27	474
28	498
29	510
30	534
31	546
32	570
33	582
34	606
35	618
36	630
37	642
38	654
39	660
40	678
41	690
42	714
43	726
44	750
45	762
46	770
47	780
48	786
49	798
50	822
51	834
52	840
53	858

[30, 42, 66, 78, 102, 114, 138, 150, 174, 186, 210, 222, 246, 258, 282, 294, 318, 330, 354, 366, 390, 402, 420, 426, 438, 462, 474, 498, 510, 534, 546, 570, 582, 606, 618, 630, 642, 654, 660, 678, 690, 714, 726, 750, 762, 770, 780, 786, 798, 822, 834, 840, 858]

cp's OEIS Frontend

A342398 Numbers k such that there is a subset of the nontrivial unitary divisors of k, {d|k : 1 < d < k, gcd(d, k/d) = 1}, that adds up to k.

Table of values

List of values

n	a(n)
1	30
2	42
3	66
4	78
5	102
6	114
7	138
8	150
9	174
10	186
11	210
12	222
13	246
14	258
15	282
16	294
17	318
18	330
19	354
20	366
21	390
22	402
23	420
24	426
25	438
26	462
27	474
28	498
29	510
30	534
31	546
32	570
33	582
34	606
35	618
36	630
37	642
38	654
39	660
40	678
41	690
42	714
43	726
44	750
45	762
46	770
47	780
48	786
49	798
50	822
51	834
52	840
53	858

n	a(n)
1	30
2	42
3	66
4	78
5	102
6	114
7	138
8	150
9	174
10	186
11	210
12	222
13	246
14	258
15	282
16	294
17	318
18	330
19	354
20	366
21	390
22	402
23	420
24	426
25	438
26	462
27	474
28	498
29	510
30	534
31	546
32	570
33	582
34	606
35	618
36	630
37	642
38	654
39	660
40	678
41	690
42	714
43	726
44	750
45	762
46	770
47	780
48	786
49	798
50	822
51	834
52	840
53	858

n	a(n)
1	30
2	42
3	66
4	78
5	102
6	114
7	138
8	150
9	174
10	186
11	210
12	222
13	246
14	258
15	282
16	294
17	318
18	330
19	354
20	366
21	390
22	402
23	420
24	426
25	438
26	462
27	474
28	498
29	510
30	534
31	546
32	570
33	582
34	606
35	618
36	630
37	642
38	654
39	660
40	678
41	690
42	714
43	726
44	750
45	762
46	770
47	780
48	786
49	798
50	822
51	834
52	840
53	858