A278039 - cp's OEIS frontend

A278039 The tribonacci representation of a(n) is obtained by appending a 0 to the tribonacci representation of n (cf. A278038).

n	a(n)
0	0
1	2
2	4
3	6
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	20
12	22
13	24
14	26
15	28
16	30
17	31
18	33
19	35
20	37
21	39
22	41
23	43
24	44
25	46
26	48
27	50
28	51
29	53
30	55
31	57
32	59
33	61
34	63
35	64
36	66
37	68
38	70
39	72
40	74
41	75
42	77
43	79
44	81
45	83
46	85
47	87
48	88
49	90
50	92
51	94
52	96
53	98
54	100
55	101
56	103
57	105
58	107
59	109
60	111
61	112
62	114
63	116
64	118
65	120
66	122
67	124
68	125
69	127
70	129
71	131
72	132
73	134
74	136

[0, 2, 4, 6, 7, 9, 11, 13, 15, 17, 19, 20, 22, 24, 26, 28, 30, 31, 33, 35, 37, 39, 41, 43, 44, 46, 48, 50, 51, 53, 55, 57, 59, 61, 63, 64, 66, 68, 70, 72, 74, 75, 77, 79, 81, 83, 85, 87, 88, 90, 92, 94, 96, 98, 100, 101, 103, 105, 107, 109, 111, 112, 114, 116, 118, 120, 122, 124, 125, 127, 129, 131, 132, 134, 136]

cp's OEIS Frontend

A278039 The tribonacci representation of a(n) is obtained by appending a 0 to the tribonacci representation of n (cf. A278038).

Table of values

List of values

n	a(n)
0	0
1	2
2	4
3	6
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	20
12	22
13	24
14	26
15	28
16	30
17	31
18	33
19	35
20	37
21	39
22	41
23	43
24	44
25	46
26	48
27	50
28	51
29	53
30	55
31	57
32	59
33	61
34	63
35	64
36	66
37	68
38	70
39	72
40	74
41	75
42	77
43	79
44	81
45	83
46	85
47	87
48	88
49	90
50	92
51	94
52	96
53	98
54	100
55	101
56	103
57	105
58	107
59	109
60	111
61	112
62	114
63	116
64	118
65	120
66	122
67	124
68	125
69	127
70	129
71	131
72	132
73	134
74	136

n	a(n)
0	0
1	2
2	4
3	6
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	20
12	22
13	24
14	26
15	28
16	30
17	31
18	33
19	35
20	37
21	39
22	41
23	43
24	44
25	46
26	48
27	50
28	51
29	53
30	55
31	57
32	59
33	61
34	63
35	64
36	66
37	68
38	70
39	72
40	74
41	75
42	77
43	79
44	81
45	83
46	85
47	87
48	88
49	90
50	92
51	94
52	96
53	98
54	100
55	101
56	103
57	105
58	107
59	109
60	111
61	112
62	114
63	116
64	118
65	120
66	122
67	124
68	125
69	127
70	129
71	131
72	132
73	134
74	136

n	a(n)
0	0
1	2
2	4
3	6
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	20
12	22
13	24
14	26
15	28
16	30
17	31
18	33
19	35
20	37
21	39
22	41
23	43
24	44
25	46
26	48
27	50
28	51
29	53
30	55
31	57
32	59
33	61
34	63
35	64
36	66
37	68
38	70
39	72
40	74
41	75
42	77
43	79
44	81
45	83
46	85
47	87
48	88
49	90
50	92
51	94
52	96
53	98
54	100
55	101
56	103
57	105
58	107
59	109
60	111
61	112
62	114
63	116
64	118
65	120
66	122
67	124
68	125
69	127
70	129
71	131
72	132
73	134
74	136