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 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 3 |
| 6 | 4 |
| 7 | 10 |
| 8 | 18 |
| 9 | 20 |
| 10 | 6 |
| 11 | 12 |
| 12 | 12 |
| 13 | 8 |
| 14 | 10 |
| 15 | 12 |
| 16 | 54 |
| 17 | 18 |
| 18 | 20 |
| 19 | 11 |
| 20 | 6 |
| 21 | 20 |
| 22 | 12 |
| 23 | 28 |
| 24 | 36 |
| 25 | 21 |
| 26 | 8 |
| 27 | 100 |
| 28 | 30 |
| 29 | 5 |
| 30 | 12 |
| 31 | 36 |
| 32 | 162 |
| 33 | 12 |
| 34 | 18 |
| 35 | 30 |
| 36 | 60 |
| 37 | 20 |
| 38 | 22 |
| 39 | 8 |
| 40 | 18 |
| 41 | 14 |
| 42 | 20 |
| 43 | 23 |
| 44 | 12 |
| 45 | 60 |
| 46 | 28 |
| 47 | 52 |
| 48 | 108 |
| 49 | 110 |
| 50 | 42 |
| 51 | 36 |
| 52 | 24 |
| 53 | 58 |
| 54 | 100 |
| 55 | 12 |
| 56 | 90 |
| 57 | 44 |
| 58 | 10 |
| 59 | 60 |
| 60 | 12 |
| 61 | 66 |
| 62 | 36 |
| 63 | 20 |
| 64 | 486 |
| 65 | 24 |
| 66 | 12 |
| 67 | 35 |
| 68 | 18 |
| 69 | 28 |
| 70 | 30 |
| 71 | 9 |
| 72 | 180 |
| 73 | 39 |
| 74 | 20 |
| 75 | 84 |
| 76 | 66 |
| 77 | 60 |
| 78 | 8 |
| 79 | 82 |
| 80 | 54 |
| 81 | 500 |
[1,2,4,6,3,4,10,18,20,6,12,12,8,10,12,54,18,20,11, 6,20,12,28,36,21,8,100,30,5,12,36,162,12,18,30,60, 20,22,8,18,14,20,23,12,60,28,52,108,110,42,36,24, 58,100,12,90,44,10,60,12,66,36,20,486,24,12,35,18, 28,30,9,180,39,20,84,66,60,8,82,54,500] |