A028373 - cp's OEIS frontend

A028373 Numbers that have only the straight digits {1, 4, 7}.

n	a(n)
1	1
2	4
3	7
4	11
5	14
6	17
7	41
8	44
9	47
10	71
11	74
12	77
13	111
14	114
15	117
16	141
17	144
18	147
19	171
20	174
21	177
22	411
23	414
24	417
25	441
26	444
27	447
28	471
29	474
30	477
31	711
32	714
33	717
34	741
35	744
36	747
37	771
38	774
39	777
40	1111
41	1114
42	1117
43	1141
44	1144
45	1147
46	1171
47	1174
48	1177
49	1411
50	1414
51	1417
52	1441

[1, 4, 7, 11, 14, 17, 41, 44, 47, 71, 74, 77, 111, 114, 117, 141, 144, 147, 171, 174, 177, 411, 414, 417, 441, 444, 447, 471, 474, 477, 711, 714, 717, 741, 744, 747, 771, 774, 777, 1111, 1114, 1117, 1141, 1144, 1147, 1171, 1174, 1177, 1411, 1414, 1417, 1441]

cp's OEIS Frontend

A028373 Numbers that have only the straight digits {1, 4, 7}.

Table of values

List of values