The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 10 |
| 4 | 3 |
| 5 | 11 |
| 6 | 100 |
| 7 | 4 |
| 8 | 12 |
| 9 | 20 |
| 10 | 101 |
| 11 | 1000 |
| 12 | 5 |
| 13 | 13 |
| 14 | 21 |
| 15 | 102 |
| 16 | 110 |
| 17 | 1001 |
| 18 | 10000 |
| 19 | 6 |
| 20 | 14 |
| 21 | 22 |
| 22 | 30 |
| 23 | 103 |
| 24 | 111 |
| 25 | 200 |
| 26 | 1002 |
| 27 | 1010 |
| 28 | 10001 |
| 29 | 100000 |
| 30 | 7 |
| 31 | 15 |
| 32 | 23 |
| 33 | 31 |
| 34 | 104 |
| 35 | 112 |
| 36 | 120 |
| 37 | 201 |
| 38 | 1003 |
| 39 | 1011 |
| 40 | 1100 |
| 41 | 10002 |
| 42 | 10010 |
| 43 | 100001 |
| 44 | 1000000 |
| 45 | 8 |
| 46 | 16 |
| 47 | 24 |
| 48 | 32 |
| 49 | 40 |
| 50 | 105 |
| 51 | 113 |
| 52 | 121 |
| 53 | 202 |
[0,1,2,10,3,11,100,4,12,20,101,1000,5,13,21,102, 110,1001,10000,6,14,22,30,103,111,200,1002,1010, 10001,100000,7,15,23,31,104,112,120,201,1003,1011, 1100,10002,10010,100001,1000000,8,16,24,32,40,105, 113,121,202] |