A378766 - cp's OEIS frontend

A378766 Lexicographically earliest infinite sequence of distinct positive numbers with the property that n is a member of the sequence iff a(n) is powerful (in A001694).

n	a(n)
1	1
2	3
3	4
4	8
5	6
6	9
7	10
8	16
9	25
10	27
11	12
12	32
13	14
14	36
15	17
16	49
17	64
18	19
19	72
20	21
21	81
22	23
23	100
24	26
25	108
26	121
27	125
28	29
29	128
30	31
31	144
32	169
33	34
34	196
35	37
36	200
37	216
38	39
39	225
40	41
41	243
42	43
43	256
44	45
45	288
46	47
47	289
48	50
49	324
50	343
51	52
52	361
53	54
54	392
55	56
56	400
57	58
58	432
59	60
60	441
61	62
62	484

[1, 3, 4, 8, 6, 9, 10, 16, 25, 27, 12, 32, 14, 36, 17, 49, 64, 19, 72, 21, 81, 23, 100, 26, 108, 121, 125, 29, 128, 31, 144, 169, 34, 196, 37, 200, 216, 39, 225, 41, 243, 43, 256, 45, 288, 47, 289, 50, 324, 343, 52, 361, 54, 392, 56, 400, 58, 432, 60, 441, 62, 484]

cp's OEIS Frontend

A378766 Lexicographically earliest infinite sequence of distinct positive numbers with the property that n is a member of the sequence iff a(n) is powerful (in A001694).

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	8
5	6
6	9
7	10
8	16
9	25
10	27
11	12
12	32
13	14
14	36
15	17
16	49
17	64
18	19
19	72
20	21
21	81
22	23
23	100
24	26
25	108
26	121
27	125
28	29
29	128
30	31
31	144
32	169
33	34
34	196
35	37
36	200
37	216
38	39
39	225
40	41
41	243
42	43
43	256
44	45
45	288
46	47
47	289
48	50
49	324
50	343
51	52
52	361
53	54
54	392
55	56
56	400
57	58
58	432
59	60
60	441
61	62
62	484

n	a(n)
1	1
2	3
3	4
4	8
5	6
6	9
7	10
8	16
9	25
10	27
11	12
12	32
13	14
14	36
15	17
16	49
17	64
18	19
19	72
20	21
21	81
22	23
23	100
24	26
25	108
26	121
27	125
28	29
29	128
30	31
31	144
32	169
33	34
34	196
35	37
36	200
37	216
38	39
39	225
40	41
41	243
42	43
43	256
44	45
45	288
46	47
47	289
48	50
49	324
50	343
51	52
52	361
53	54
54	392
55	56
56	400
57	58
58	432
59	60
60	441
61	62
62	484

n	a(n)
1	1
2	3
3	4
4	8
5	6
6	9
7	10
8	16
9	25
10	27
11	12
12	32
13	14
14	36
15	17
16	49
17	64
18	19
19	72
20	21
21	81
22	23
23	100
24	26
25	108
26	121
27	125
28	29
29	128
30	31
31	144
32	169
33	34
34	196
35	37
36	200
37	216
38	39
39	225
40	41
41	243
42	43
43	256
44	45
45	288
46	47
47	289
48	50
49	324
50	343
51	52
52	361
53	54
54	392
55	56
56	400
57	58
58	432
59	60
60	441
61	62
62	484