A031948 - cp's OEIS frontend

A031948 Numbers with exactly two distinct base-3 digits.

n	a(n)
1	3
2	5
3	6
4	7
5	9
6	10
7	12
8	14
9	16
10	17
11	18
12	20
13	22
14	23
15	24
16	25
17	27
18	28
19	30
20	31
21	36
22	37
23	39
24	41
25	43
26	44
27	49
28	50
29	52
30	53
31	54
32	56
33	60
34	62
35	67
36	68
37	70
38	71
39	72
40	74
41	76
42	77
43	78
44	79
45	81
46	82
47	84
48	85
49	90
50	91
51	93
52	94
53	108
54	109
55	111
56	112
57	117
58	118
59	120
60	122

[3, 5, 6, 7, 9, 10, 12, 14, 16, 17, 18, 20, 22, 23, 24, 25, 27, 28, 30, 31, 36, 37, 39, 41, 43, 44, 49, 50, 52, 53, 54, 56, 60, 62, 67, 68, 70, 71, 72, 74, 76, 77, 78, 79, 81, 82, 84, 85, 90, 91, 93, 94, 108, 109, 111, 112, 117, 118, 120, 122]

cp's OEIS Frontend

A031948 Numbers with exactly two distinct base-3 digits.

Table of values

List of values

n	a(n)
1	3
2	5
3	6
4	7
5	9
6	10
7	12
8	14
9	16
10	17
11	18
12	20
13	22
14	23
15	24
16	25
17	27
18	28
19	30
20	31
21	36
22	37
23	39
24	41
25	43
26	44
27	49
28	50
29	52
30	53
31	54
32	56
33	60
34	62
35	67
36	68
37	70
38	71
39	72
40	74
41	76
42	77
43	78
44	79
45	81
46	82
47	84
48	85
49	90
50	91
51	93
52	94
53	108
54	109
55	111
56	112
57	117
58	118
59	120
60	122

n	a(n)
1	3
2	5
3	6
4	7
5	9
6	10
7	12
8	14
9	16
10	17
11	18
12	20
13	22
14	23
15	24
16	25
17	27
18	28
19	30
20	31
21	36
22	37
23	39
24	41
25	43
26	44
27	49
28	50
29	52
30	53
31	54
32	56
33	60
34	62
35	67
36	68
37	70
38	71
39	72
40	74
41	76
42	77
43	78
44	79
45	81
46	82
47	84
48	85
49	90
50	91
51	93
52	94
53	108
54	109
55	111
56	112
57	117
58	118
59	120
60	122

n	a(n)
1	3
2	5
3	6
4	7
5	9
6	10
7	12
8	14
9	16
10	17
11	18
12	20
13	22
14	23
15	24
16	25
17	27
18	28
19	30
20	31
21	36
22	37
23	39
24	41
25	43
26	44
27	49
28	50
29	52
30	53
31	54
32	56
33	60
34	62
35	67
36	68
37	70
38	71
39	72
40	74
41	76
42	77
43	78
44	79
45	81
46	82
47	84
48	85
49	90
50	91
51	93
52	94
53	108
54	109
55	111
56	112
57	117
58	118
59	120
60	122