A082741 - cp's OEIS frontend

A082741 Numbers that have digits consisting only of line segments or both line segments and curves (base 10 digits are 1, 2, 4, 5, 7).

n	a(n)
1	1
2	2
3	4
4	5
5	7
6	11
7	12
8	14
9	15
10	17
11	21
12	22
13	24
14	25
15	27
16	41
17	42
18	44
19	45
20	47
21	51
22	52
23	54
24	55
25	57
26	71
27	72
28	74
29	75
30	77
31	111
32	112
33	114
34	115
35	117
36	121
37	122
38	124
39	125
40	127
41	141
42	142
43	144
44	145
45	147
46	151
47	152
48	154
49	155
50	157
51	171
52	172
53	174
54	175
55	177
56	211
57	212
58	214
59	215
60	217
61	221

[1, 2, 4, 5, 7, 11, 12, 14, 15, 17, 21, 22, 24, 25, 27, 41, 42, 44, 45, 47, 51, 52, 54, 55, 57, 71, 72, 74, 75, 77, 111, 112, 114, 115, 117, 121, 122, 124, 125, 127, 141, 142, 144, 145, 147, 151, 152, 154, 155, 157, 171, 172, 174, 175, 177, 211, 212, 214, 215, 217, 221]

cp's OEIS Frontend

A082741 Numbers that have digits consisting only of line segments or both line segments and curves (base 10 digits are 1, 2, 4, 5, 7).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	5
5	7
6	11
7	12
8	14
9	15
10	17
11	21
12	22
13	24
14	25
15	27
16	41
17	42
18	44
19	45
20	47
21	51
22	52
23	54
24	55
25	57
26	71
27	72
28	74
29	75
30	77
31	111
32	112
33	114
34	115
35	117
36	121
37	122
38	124
39	125
40	127
41	141
42	142
43	144
44	145
45	147
46	151
47	152
48	154
49	155
50	157
51	171
52	172
53	174
54	175
55	177
56	211
57	212
58	214
59	215
60	217
61	221

n	a(n)
1	1
2	2
3	4
4	5
5	7
6	11
7	12
8	14
9	15
10	17
11	21
12	22
13	24
14	25
15	27
16	41
17	42
18	44
19	45
20	47
21	51
22	52
23	54
24	55
25	57
26	71
27	72
28	74
29	75
30	77
31	111
32	112
33	114
34	115
35	117
36	121
37	122
38	124
39	125
40	127
41	141
42	142
43	144
44	145
45	147
46	151
47	152
48	154
49	155
50	157
51	171
52	172
53	174
54	175
55	177
56	211
57	212
58	214
59	215
60	217
61	221

n	a(n)
1	1
2	2
3	4
4	5
5	7
6	11
7	12
8	14
9	15
10	17
11	21
12	22
13	24
14	25
15	27
16	41
17	42
18	44
19	45
20	47
21	51
22	52
23	54
24	55
25	57
26	71
27	72
28	74
29	75
30	77
31	111
32	112
33	114
34	115
35	117
36	121
37	122
38	124
39	125
40	127
41	141
42	142
43	144
44	145
45	147
46	151
47	152
48	154
49	155
50	157
51	171
52	172
53	174
54	175
55	177
56	211
57	212
58	214
59	215
60	217
61	221