A328586 - cp's OEIS frontend

A328586 Even numbers n for which A257993(n) is equal to A257993(A276086(A276086(n))), 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	6
2	18
3	36
4	48
5	66
6	78
7	96
8	108
9	126
10	138
11	156
12	168
13	186
14	198
15	222
16	234
17	252
18	264
19	282
20	294
21	312
22	324
23	342
24	354
25	372
26	384
27	402
28	414
29	426
30	438
31	456
32	468
33	486
34	498
35	516
36	528
37	546
38	558
39	576
40	588
41	606
42	618
43	642
44	654
45	672
46	684
47	702
48	714
49	732
50	744
51	762
52	774
53	792
54	804
55	822
56	834
57	846
58	858
59	876
60	888
61	906
62	918
63	936
64	948
65	966
66	978
67	996
68	1008

[6, 18, 36, 48, 66, 78, 96, 108, 126, 138, 156, 168, 186, 198, 222, 234, 252, 264, 282, 294, 312, 324, 342, 354, 372, 384, 402, 414, 426, 438, 456, 468, 486, 498, 516, 528, 546, 558, 576, 588, 606, 618, 642, 654, 672, 684, 702, 714, 732, 744, 762, 774, 792, 804, 822, 834, 846, 858, 876, 888, 906, 918, 936, 948, 966, 978, 996, 1008]

cp's OEIS Frontend

A328586 Even numbers n for which A257993(n) is equal to A257993(A276086(A276086(n))), 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