A260139 - cp's OEIS frontend

A260139 For any term a(k), there are exactly a(k) terms strictly smaller than 3*a(k); this is the lexicographically first increasing sequence of nonnegative integers with this property.

n	a(n)
0	0
1	2
2	6
3	7
4	8
5	9
6	18
7	21
8	24
9	27
10	28
11	29
12	30
13	31
14	32
15	33
16	34
17	35
18	54
19	55
20	56
21	63
22	64
23	65
24	72
25	73
26	74
27	81
28	84
29	87
30	90
31	93
32	96
33	99
34	102
35	105
36	106
37	107
38	108
39	109
40	110
41	111
42	112
43	113
44	114
45	115
46	116
47	117
48	118
49	119
50	120
51	121
52	122
53	123
54	162
55	165
56	168
57	169
58	170
59	171
60	172

[0, 2, 6, 7, 8, 9, 18, 21, 24, 27, 28, 29, 30, 31, 32, 33, 34, 35, 54, 55, 56, 63, 64, 65, 72, 73, 74, 81, 84, 87, 90, 93, 96, 99, 102, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 162, 165, 168, 169, 170, 171, 172]

cp's OEIS Frontend

A260139 For any term a(k), there are exactly a(k) terms strictly smaller than 3*a(k); this is the lexicographically first increasing sequence of nonnegative integers with this property.

Table of values

List of values

n	a(n)
0	0
1	2
2	6
3	7
4	8
5	9
6	18
7	21
8	24
9	27
10	28
11	29
12	30
13	31
14	32
15	33
16	34
17	35
18	54
19	55
20	56
21	63
22	64
23	65
24	72
25	73
26	74
27	81
28	84
29	87
30	90
31	93
32	96
33	99
34	102
35	105
36	106
37	107
38	108
39	109
40	110
41	111
42	112
43	113
44	114
45	115
46	116
47	117
48	118
49	119
50	120
51	121
52	122
53	123
54	162
55	165
56	168
57	169
58	170
59	171
60	172

n	a(n)
0	0
1	2
2	6
3	7
4	8
5	9
6	18
7	21
8	24
9	27
10	28
11	29
12	30
13	31
14	32
15	33
16	34
17	35
18	54
19	55
20	56
21	63
22	64
23	65
24	72
25	73
26	74
27	81
28	84
29	87
30	90
31	93
32	96
33	99
34	102
35	105
36	106
37	107
38	108
39	109
40	110
41	111
42	112
43	113
44	114
45	115
46	116
47	117
48	118
49	119
50	120
51	121
52	122
53	123
54	162
55	165
56	168
57	169
58	170
59	171
60	172

n	a(n)
0	0
1	2
2	6
3	7
4	8
5	9
6	18
7	21
8	24
9	27
10	28
11	29
12	30
13	31
14	32
15	33
16	34
17	35
18	54
19	55
20	56
21	63
22	64
23	65
24	72
25	73
26	74
27	81
28	84
29	87
30	90
31	93
32	96
33	99
34	102
35	105
36	106
37	107
38	108
39	109
40	110
41	111
42	112
43	113
44	114
45	115
46	116
47	117
48	118
49	119
50	120
51	121
52	122
53	123
54	162
55	165
56	168
57	169
58	170
59	171
60	172