A381607 - cp's OEIS frontend

A381607 For any nonnegative integer n with ternary expansion Sum_{k >= 0} t_k * 3^k, a(n) = Sum_{k >= 0} t_k * A000045(2*k + 2).

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	8
10	9
11	10
12	11
13	12
14	13
15	14
16	15
17	16
18	16
19	17
20	18
21	19
22	20
23	21
24	22
25	23
26	24
27	21
28	22
29	23
30	24
31	25
32	26
33	27
34	28
35	29
36	29
37	30
38	31
39	32
40	33
41	34
42	35
43	36
44	37
45	37
46	38
47	39
48	40
49	41
50	42
51	43
52	44
53	45
54	42
55	43
56	44
57	45
58	46
59	47
60	48
61	49
62	50
63	50
64	51
65	52
66	53
67	54

[0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 10, 11, 12, 13, 14, 15, 16, 16, 17, 18, 19, 20, 21, 22, 23, 24, 21, 22, 23, 24, 25, 26, 27, 28, 29, 29, 30, 31, 32, 33, 34, 35, 36, 37, 37, 38, 39, 40, 41, 42, 43, 44, 45, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50, 51, 52, 53, 54]

cp's OEIS Frontend

A381607 For any nonnegative integer n with ternary expansion Sum_{k >= 0} t_k * 3^k, a(n) = Sum_{k >= 0} t_k * A000045(2*k + 2).

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	8
10	9
11	10
12	11
13	12
14	13
15	14
16	15
17	16
18	16
19	17
20	18
21	19
22	20
23	21
24	22
25	23
26	24
27	21
28	22
29	23
30	24
31	25
32	26
33	27
34	28
35	29
36	29
37	30
38	31
39	32
40	33
41	34
42	35
43	36
44	37
45	37
46	38
47	39
48	40
49	41
50	42
51	43
52	44
53	45
54	42
55	43
56	44
57	45
58	46
59	47
60	48
61	49
62	50
63	50
64	51
65	52
66	53
67	54

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	8
10	9
11	10
12	11
13	12
14	13
15	14
16	15
17	16
18	16
19	17
20	18
21	19
22	20
23	21
24	22
25	23
26	24
27	21
28	22
29	23
30	24
31	25
32	26
33	27
34	28
35	29
36	29
37	30
38	31
39	32
40	33
41	34
42	35
43	36
44	37
45	37
46	38
47	39
48	40
49	41
50	42
51	43
52	44
53	45
54	42
55	43
56	44
57	45
58	46
59	47
60	48
61	49
62	50
63	50
64	51
65	52
66	53
67	54

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	8
10	9
11	10
12	11
13	12
14	13
15	14
16	15
17	16
18	16
19	17
20	18
21	19
22	20
23	21
24	22
25	23
26	24
27	21
28	22
29	23
30	24
31	25
32	26
33	27
34	28
35	29
36	29
37	30
38	31
39	32
40	33
41	34
42	35
43	36
44	37
45	37
46	38
47	39
48	40
49	41
50	42
51	43
52	44
53	45
54	42
55	43
56	44
57	45
58	46
59	47
60	48
61	49
62	50
63	50
64	51
65	52
66	53
67	54