A329897 - cp's OEIS frontend

A329897 Numbers k for which the 2-adic and 3-adic valuations of A025487(k) are equal, where A025487(k) is the k-th number which is a product of primorial numbers.

n	a(n)
1	1
2	4
3	9
4	11
5	20
6	22
7	23
8	38
9	41
10	43
11	44
12	54
13	69
14	72
15	73
16	77
17	79
18	93
19	110
20	114
21	118
22	123
23	124
24	128
25	129
26	131
27	147
28	154
29	181
30	186
31	190
32	191
33	199
34	201
35	208
36	209
37	212
38	232
39	242
40	245
41	246
42	272
43	279
44	286
45	294
46	299
47	300
48	307
49	310
50	312
51	321
52	324
53	327
54	345
55	359
56	371
57	374
58	376
59	416
60	424
61	425
62	430
63	434
64	442
65	446
66	451
67	454
68	466
69	469

[1, 4, 9, 11, 20, 22, 23, 38, 41, 43, 44, 54, 69, 72, 73, 77, 79, 93, 110, 114, 118, 123, 124, 128, 129, 131, 147, 154, 181, 186, 190, 191, 199, 201, 208, 209, 212, 232, 242, 245, 246, 272, 279, 286, 294, 299, 300, 307, 310, 312, 321, 324, 327, 345, 359, 371, 374, 376, 416, 424, 425, 430, 434, 442, 446, 451, 454, 466, 469]

cp's OEIS Frontend

A329897 Numbers k for which the 2-adic and 3-adic valuations of A025487(k) are equal, where A025487(k) is the k-th number which is a product of primorial numbers.

Table of values

List of values

n	a(n)
1	1
2	4
3	9
4	11
5	20
6	22
7	23
8	38
9	41
10	43
11	44
12	54
13	69
14	72
15	73
16	77
17	79
18	93
19	110
20	114
21	118
22	123
23	124
24	128
25	129
26	131
27	147
28	154
29	181
30	186
31	190
32	191
33	199
34	201
35	208
36	209
37	212
38	232
39	242
40	245
41	246
42	272
43	279
44	286
45	294
46	299
47	300
48	307
49	310
50	312
51	321
52	324
53	327
54	345
55	359
56	371
57	374
58	376
59	416
60	424
61	425
62	430
63	434
64	442
65	446
66	451
67	454
68	466
69	469

n	a(n)
1	1
2	4
3	9
4	11
5	20
6	22
7	23
8	38
9	41
10	43
11	44
12	54
13	69
14	72
15	73
16	77
17	79
18	93
19	110
20	114
21	118
22	123
23	124
24	128
25	129
26	131
27	147
28	154
29	181
30	186
31	190
32	191
33	199
34	201
35	208
36	209
37	212
38	232
39	242
40	245
41	246
42	272
43	279
44	286
45	294
46	299
47	300
48	307
49	310
50	312
51	321
52	324
53	327
54	345
55	359
56	371
57	374
58	376
59	416
60	424
61	425
62	430
63	434
64	442
65	446
66	451
67	454
68	466
69	469

n	a(n)
1	1
2	4
3	9
4	11
5	20
6	22
7	23
8	38
9	41
10	43
11	44
12	54
13	69
14	72
15	73
16	77
17	79
18	93
19	110
20	114
21	118
22	123
23	124
24	128
25	129
26	131
27	147
28	154
29	181
30	186
31	190
32	191
33	199
34	201
35	208
36	209
37	212
38	232
39	242
40	245
41	246
42	272
43	279
44	286
45	294
46	299
47	300
48	307
49	310
50	312
51	321
52	324
53	327
54	345
55	359
56	371
57	374
58	376
59	416
60	424
61	425
62	430
63	434
64	442
65	446
66	451
67	454
68	466
69	469