A328633 - cp's OEIS frontend

A328633 Numbers n for which A328578(n) = A257993(A276086(A276086(n))) = 3, where A276086 converts the primorial base expansion of n into its prime product form, and A257993 returns the index of the least prime not present in its argument.

n	a(n)
1	2
2	6
3	18
4	34
5	36
6	48
7	66
8	78
9	96
10	108
11	122
12	126
13	138
14	154
15	156
16	168
17	186
18	198
19	212
20	222
21	234
22	244
23	252
24	264
25	282
26	294
27	312
28	324
29	332
30	342
31	354
32	364
33	372
34	384
35	402
36	414
37	422
38	426
39	438
40	454
41	456
42	468
43	486
44	498
45	516
46	528
47	542
48	546
49	558
50	574
51	576
52	588
53	606
54	618
55	632
56	642
57	654
58	664
59	672
60	684
61	702
62	714
63	732
64	744
65	752
66	762
67	774
68	784
69	792
70	804

[2, 6, 18, 34, 36, 48, 66, 78, 96, 108, 122, 126, 138, 154, 156, 168, 186, 198, 212, 222, 234, 244, 252, 264, 282, 294, 312, 324, 332, 342, 354, 364, 372, 384, 402, 414, 422, 426, 438, 454, 456, 468, 486, 498, 516, 528, 542, 546, 558, 574, 576, 588, 606, 618, 632, 642, 654, 664, 672, 684, 702, 714, 732, 744, 752, 762, 774, 784, 792, 804]

cp's OEIS Frontend

A328633 Numbers n for which A328578(n) = A257993(A276086(A276086(n))) = 3, where A276086 converts the primorial base expansion of n into its prime product form, and A257993 returns the index of the least prime not present in its argument.

Table of values

List of values

n	a(n)
1	2
2	6
3	18
4	34
5	36
6	48
7	66
8	78
9	96
10	108
11	122
12	126
13	138
14	154
15	156
16	168
17	186
18	198
19	212
20	222
21	234
22	244
23	252
24	264
25	282
26	294
27	312
28	324
29	332
30	342
31	354
32	364
33	372
34	384
35	402
36	414
37	422
38	426
39	438
40	454
41	456
42	468
43	486
44	498
45	516
46	528
47	542
48	546
49	558
50	574
51	576
52	588
53	606
54	618
55	632
56	642
57	654
58	664
59	672
60	684
61	702
62	714
63	732
64	744
65	752
66	762
67	774
68	784
69	792
70	804

n	a(n)
1	2
2	6
3	18
4	34
5	36
6	48
7	66
8	78
9	96
10	108
11	122
12	126
13	138
14	154
15	156
16	168
17	186
18	198
19	212
20	222
21	234
22	244
23	252
24	264
25	282
26	294
27	312
28	324
29	332
30	342
31	354
32	364
33	372
34	384
35	402
36	414
37	422
38	426
39	438
40	454
41	456
42	468
43	486
44	498
45	516
46	528
47	542
48	546
49	558
50	574
51	576
52	588
53	606
54	618
55	632
56	642
57	654
58	664
59	672
60	684
61	702
62	714
63	732
64	744
65	752
66	762
67	774
68	784
69	792
70	804

n	a(n)
1	2
2	6
3	18
4	34
5	36
6	48
7	66
8	78
9	96
10	108
11	122
12	126
13	138
14	154
15	156
16	168
17	186
18	198
19	212
20	222
21	234
22	244
23	252
24	264
25	282
26	294
27	312
28	324
29	332
30	342
31	354
32	364
33	372
34	384
35	402
36	414
37	422
38	426
39	438
40	454
41	456
42	468
43	486
44	498
45	516
46	528
47	542
48	546
49	558
50	574
51	576
52	588
53	606
54	618
55	632
56	642
57	654
58	664
59	672
60	684
61	702
62	714
63	732
64	744
65	752
66	762
67	774
68	784
69	792
70	804