A260465 - cp's OEIS frontend

A260465 a(n) is the smallest number not already in the sequence such that a(n)^3 begins with n.

n	a(n)
1	1
2	3
3	7
4	16
5	8
6	4
7	9
8	2
9	21
10	10
11	48
12	5
13	11
14	52
15	25
16	55
17	12
18	57
19	27
20	59
21	6
22	61
23	62
24	29
25	63
26	64
27	14
28	66
29	31
30	67
31	68
32	32
33	15
34	70
35	33
36	154
37	72
38	73
39	34
40	74
41	161
42	35
43	76
44	164
45	77
46	36
47	78
48	169
49	17
50	37
51	80
52	174
53	81
54	38
55	82
56	178
57	83
58	18
59	39
60	182
61	85
62	184
63	86
64	40
65	87
66	188
67	189
68	19
69	191
70	89
71	193
72	90
73	194
74	42
75	91
76	197
77	92
78	199
79	43

[1, 3, 7, 16, 8, 4, 9, 2, 21, 10, 48, 5, 11, 52, 25, 55, 12, 57, 27, 59, 6, 61, 62, 29, 63, 64, 14, 66, 31, 67, 68, 32, 15, 70, 33, 154, 72, 73, 34, 74, 161, 35, 76, 164, 77, 36, 78, 169, 17, 37, 80, 174, 81, 38, 82, 178, 83, 18, 39, 182, 85, 184, 86, 40, 87, 188, 189, 19, 191, 89, 193, 90, 194, 42, 91, 197, 92, 199, 43]

cp's OEIS Frontend

A260465 a(n) is the smallest number not already in the sequence such that a(n)^3 begins with n.

Table of values

List of values

n	a(n)
1	1
2	3
3	7
4	16
5	8
6	4
7	9
8	2
9	21
10	10
11	48
12	5
13	11
14	52
15	25
16	55
17	12
18	57
19	27
20	59
21	6
22	61
23	62
24	29
25	63
26	64
27	14
28	66
29	31
30	67
31	68
32	32
33	15
34	70
35	33
36	154
37	72
38	73
39	34
40	74
41	161
42	35
43	76
44	164
45	77
46	36
47	78
48	169
49	17
50	37
51	80
52	174
53	81
54	38
55	82
56	178
57	83
58	18
59	39
60	182
61	85
62	184
63	86
64	40
65	87
66	188
67	189
68	19
69	191
70	89
71	193
72	90
73	194
74	42
75	91
76	197
77	92
78	199
79	43

n	a(n)
1	1
2	3
3	7
4	16
5	8
6	4
7	9
8	2
9	21
10	10
11	48
12	5
13	11
14	52
15	25
16	55
17	12
18	57
19	27
20	59
21	6
22	61
23	62
24	29
25	63
26	64
27	14
28	66
29	31
30	67
31	68
32	32
33	15
34	70
35	33
36	154
37	72
38	73
39	34
40	74
41	161
42	35
43	76
44	164
45	77
46	36
47	78
48	169
49	17
50	37
51	80
52	174
53	81
54	38
55	82
56	178
57	83
58	18
59	39
60	182
61	85
62	184
63	86
64	40
65	87
66	188
67	189
68	19
69	191
70	89
71	193
72	90
73	194
74	42
75	91
76	197
77	92
78	199
79	43

n	a(n)
1	1
2	3
3	7
4	16
5	8
6	4
7	9
8	2
9	21
10	10
11	48
12	5
13	11
14	52
15	25
16	55
17	12
18	57
19	27
20	59
21	6
22	61
23	62
24	29
25	63
26	64
27	14
28	66
29	31
30	67
31	68
32	32
33	15
34	70
35	33
36	154
37	72
38	73
39	34
40	74
41	161
42	35
43	76
44	164
45	77
46	36
47	78
48	169
49	17
50	37
51	80
52	174
53	81
54	38
55	82
56	178
57	83
58	18
59	39
60	182
61	85
62	184
63	86
64	40
65	87
66	188
67	189
68	19
69	191
70	89
71	193
72	90
73	194
74	42
75	91
76	197
77	92
78	199
79	43