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) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 2 |
| 4 | 1 |
| 5 | 7 |
| 6 | 26 |
| 7 | 13 |
| 8 | 46 |
| 9 | 23 |
| 10 | 78 |
| 11 | 39 |
| 12 | 128 |
| 13 | 64 |
| 14 | 32 |
| 15 | 16 |
| 16 | 8 |
| 17 | 4 |
| 18 | 2 |
| 19 | 1 |
| 20 | 22 |
| 21 | 11 |
| 22 | 54 |
| 23 | 27 |
| 24 | 104 |
| 25 | 52 |
| 26 | 26 |
| 27 | 13 |
| 28 | 66 |
| 29 | 33 |
| 30 | 128 |
| 31 | 64 |
| 32 | 32 |
| 33 | 16 |
| 34 | 8 |
| 35 | 4 |
| 36 | 2 |
| 37 | 1 |
| 38 | 40 |
| 39 | 20 |
| 40 | 10 |
| 41 | 5 |
| 42 | 56 |
| 43 | 28 |
| 44 | 14 |
| 45 | 7 |
| 46 | 66 |
| 47 | 33 |
| 48 | 146 |
| 49 | 73 |
| 50 | 268 |
| 51 | 134 |
| 52 | 67 |
| 53 | 253 |
| 54 | 812 |
| 55 | 406 |
| 56 | 203 |
| 57 | 665 |
| 58 | 2052 |
| 59 | 1026 |
| 60 | 513 |
| 61 | 1599 |
| 62 | 4858 |
| 63 | 2429 |
| 64 | 7350 |
| 65 | 3675 |
| 66 | 11090 |
| 67 | 5545 |
| 68 | 16702 |
| 69 | 8351 |
| 70 | 25122 |
| 71 | 12561 |
[1,4,2,1,7,26,13,46,23,78,39,128,64,32,16,8,4,2,1, 22,11,54,27,104,52,26,13,66,33,128,64,32,16,8,4,2, 1,40,20,10,5,56,28,14,7,66,33,146,73,268,134,67, 253,812,406,203,665,2052,1026,513,1599,4858,2429, 7350,3675,11090,5545,16702,8351,25122,12561] |