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 | 2 |
| 4 | 3 |
| 5 | 1 |
| 6 | 3 |
| 7 | 4 |
| 8 | 3 |
| 9 | 3 |
| 10 | 4 |
| 11 | 5 |
| 12 | 12 |
| 13 | 3 |
| 14 | 12 |
| 15 | 5 |
| 16 | 6 |
| 17 | 60 |
| 18 | 4 |
| 19 | 4 |
| 20 | 60 |
| 21 | 6 |
| 22 | 7 |
| 23 | 20 |
| 24 | 30 |
| 25 | 2 |
| 26 | 30 |
| 27 | 20 |
| 28 | 7 |
| 29 | 8 |
| 30 | 140 |
| 31 | 60 |
| 32 | 15 |
| 33 | 15 |
| 34 | 60 |
| 35 | 140 |
| 36 | 8 |
| 37 | 9 |
| 38 | 280 |
| 39 | 105 |
| 40 | 60 |
| 41 | 15 |
| 42 | 60 |
| 43 | 105 |
| 44 | 280 |
| 45 | 9 |
| 46 | 10 |
| 47 | 2520 |
| 48 | 840 |
| 49 | 140 |
| 50 | 12 |
| 51 | 12 |
| 52 | 140 |
| 53 | 840 |
| 54 | 2520 |
| 55 | 10 |
| 56 | 11 |
| 57 | 2520 |
| 58 | 252 |
| 59 | 168 |
| 60 | 210 |
| 61 | 6 |
| 62 | 210 |
| 63 | 168 |
| 64 | 252 |
| 65 | 2520 |
| 66 | 11 |
| 67 | 12 |
| 68 | 27720 |
[1,2,2,3,1,3,4,3,3,4,5,12,3,12,5,6,60,4,4,60,6,7, 20,30,2,30,20,7,8,140,60,15,15,60,140,8,9,280,105, 60,15,60,105,280,9,10,2520,840,140,12,12,140,840, 2520,10,11,2520,252,168,210,6,210,168,252,2520,11, 12,27720] |