A305493 - cp's OEIS frontend

A305493 A binary encoding of the decimal representation of a number: for any number n >= 0, consider its decimal representation and replace each 9 with "111111111" and each other digit d with a "0" followed by d "1"s and interpret the result as a binary string.

n	a(n)
0	0
1	1
2	3
3	7
4	15
5	31
6	63
7	127
8	255
9	511
10	2
11	5
12	11
13	23
14	47
15	95
16	191
17	383
18	767
19	1023
20	6
21	13
22	27
23	55
24	111
25	223
26	447
27	895
28	1791
29	2047
30	14
31	29
32	59
33	119
34	239
35	479
36	959
37	1919
38	3839
39	4095
40	30
41	61
42	123
43	247
44	495
45	991
46	1983
47	3967
48	7935
49	8191
50	62
51	125
52	251
53	503
54	1007
55	2015

[0, 1, 3, 7, 15, 31, 63, 127, 255, 511, 2, 5, 11, 23, 47, 95, 191, 383, 767, 1023, 6, 13, 27, 55, 111, 223, 447, 895, 1791, 2047, 14, 29, 59, 119, 239, 479, 959, 1919, 3839, 4095, 30, 61, 123, 247, 495, 991, 1983, 3967, 7935, 8191, 62, 125, 251, 503, 1007, 2015]

cp's OEIS Frontend

A305493 A binary encoding of the decimal representation of a number: for any number n >= 0, consider its decimal representation and replace each 9 with "111111111" and each other digit d with a "0" followed by d "1"s and interpret the result as a binary string.

Table of values

List of values