A127163 - cp's OEIS frontend

A127163 Integers whose aliquot sequences terminate by encountering the prime 3. Also known as the prime family 3.

n	a(n)
1	3
2	4
3	9
4	12
5	15
6	16
7	26
8	30
9	33
10	42
11	45
12	46
13	52
14	54
15	66
16	72
17	78
18	86
19	87
20	90
21	102
22	105
23	114
24	121
25	123
26	126
27	135
28	144
29	165
30	166
31	174
32	186
33	198
34	207
35	212
36	243
37	246
38	247
39	249
40	258
41	259
42	270

[3, 4, 9, 12, 15, 16, 26, 30, 33, 42, 45, 46, 52, 54, 66, 72, 78, 86, 87, 90, 102, 105, 114, 121, 123, 126, 135, 144, 165, 166, 174, 186, 198, 207, 212, 243, 246, 247, 249, 258, 259, 270]

cp's OEIS Frontend

A127163 Integers whose aliquot sequences terminate by encountering the prime 3. Also known as the prime family 3.

Table of values

List of values

n	a(n)
1	3
2	4
3	9
4	12
5	15
6	16
7	26
8	30
9	33
10	42
11	45
12	46
13	52
14	54
15	66
16	72
17	78
18	86
19	87
20	90
21	102
22	105
23	114
24	121
25	123
26	126
27	135
28	144
29	165
30	166
31	174
32	186
33	198
34	207
35	212
36	243
37	246
38	247
39	249
40	258
41	259
42	270

n	a(n)
1	3
2	4
3	9
4	12
5	15
6	16
7	26
8	30
9	33
10	42
11	45
12	46
13	52
14	54
15	66
16	72
17	78
18	86
19	87
20	90
21	102
22	105
23	114
24	121
25	123
26	126
27	135
28	144
29	165
30	166
31	174
32	186
33	198
34	207
35	212
36	243
37	246
38	247
39	249
40	258
41	259
42	270

n	a(n)
1	3
2	4
3	9
4	12
5	15
6	16
7	26
8	30
9	33
10	42
11	45
12	46
13	52
14	54
15	66
16	72
17	78
18	86
19	87
20	90
21	102
22	105
23	114
24	121
25	123
26	126
27	135
28	144
29	165
30	166
31	174
32	186
33	198
34	207
35	212
36	243
37	246
38	247
39	249
40	258
41	259
42	270