A037455 - cp's OEIS frontend

A037455 a(n)=Sum{d(i)7^i: i=0,1,...,m}, where Sum{d(i)3^i: i=0,1,...,m} is the base 3 representation of n.

n	a(n)
0	0
1	1
2	2
3	7
4	8
5	9
6	14
7	15
8	16
9	49
10	50
11	51
12	56
13	57
14	58
15	63
16	64
17	65
18	98
19	99
20	100
21	105
22	106
23	107
24	112
25	113
26	114
27	343
28	344
29	345
30	350
31	351
32	352
33	357
34	358
35	359
36	392
37	393
38	394
39	399
40	400
41	401
42	406
43	407
44	408
45	441
46	442
47	443
48	448
49	449
50	450
51	455
52	456
53	457
54	686
55	687

[0, 1, 2, 7, 8, 9, 14, 15, 16, 49, 50, 51, 56, 57, 58, 63, 64, 65, 98, 99, 100, 105, 106, 107, 112, 113, 114, 343, 344, 345, 350, 351, 352, 357, 358, 359, 392, 393, 394, 399, 400, 401, 406, 407, 408, 441, 442, 443, 448, 449, 450, 455, 456, 457, 686, 687]

cp's OEIS Frontend

A037455 a(n)=Sum{d(i)7^i: i=0,1,...,m}, where Sum{d(i)3^i: i=0,1,...,m} is the base 3 representation of n.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	7
4	8
5	9
6	14
7	15
8	16
9	49
10	50
11	51
12	56
13	57
14	58
15	63
16	64
17	65
18	98
19	99
20	100
21	105
22	106
23	107
24	112
25	113
26	114
27	343
28	344
29	345
30	350
31	351
32	352
33	357
34	358
35	359
36	392
37	393
38	394
39	399
40	400
41	401
42	406
43	407
44	408
45	441
46	442
47	443
48	448
49	449
50	450
51	455
52	456
53	457
54	686
55	687

n	a(n)
0	0
1	1
2	2
3	7
4	8
5	9
6	14
7	15
8	16
9	49
10	50
11	51
12	56
13	57
14	58
15	63
16	64
17	65
18	98
19	99
20	100
21	105
22	106
23	107
24	112
25	113
26	114
27	343
28	344
29	345
30	350
31	351
32	352
33	357
34	358
35	359
36	392
37	393
38	394
39	399
40	400
41	401
42	406
43	407
44	408
45	441
46	442
47	443
48	448
49	449
50	450
51	455
52	456
53	457
54	686
55	687

cp's OEIS Frontend

A037455 a(n)=Sum{d(i)*7^i: i=0,1,...,m}, where Sum{d(i)*3^i: i=0,1,...,m} is the base 3 representation of n.

Table of values

List of values

A037455 a(n)=Sum{d(i)7^i: i=0,1,...,m}, where Sum{d(i)3^i: i=0,1,...,m} is the base 3 representation of n.

n	a(n)
0	0
1	1
2	2
3	7
4	8
5	9
6	14
7	15
8	16
9	49
10	50
11	51
12	56
13	57
14	58
15	63
16	64
17	65
18	98
19	99
20	100
21	105
22	106
23	107
24	112
25	113
26	114
27	343
28	344
29	345
30	350
31	351
32	352
33	357
34	358
35	359
36	392
37	393
38	394
39	399
40	400
41	401
42	406
43	407
44	408
45	441
46	442
47	443
48	448
49	449
50	450
51	455
52	456
53	457
54	686
55	687