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 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 3 |
| 6 | 1 |
| 7 | 1 |
| 8 | 4 |
| 9 | 4 |
| 10 | 4 |
| 11 | 1 |
| 12 | 5 |
| 13 | 7 |
| 14 | 15 |
| 15 | 4 |
| 16 | 1 |
| 17 | 6 |
| 18 | 12 |
| 19 | 35 |
| 20 | 38 |
| 21 | 11 |
| 22 | 1 |
| 23 | 7 |
| 24 | 17 |
| 25 | 72 |
| 26 | 140 |
| 27 | 136 |
| 28 | 15 |
| 29 | 1 |
| 30 | 8 |
| 31 | 24 |
| 32 | 128 |
| 33 | 390 |
| 34 | 731 |
| 35 | 458 |
| 36 | 43 |
| 37 | 1 |
| 38 | 9 |
| 39 | 31 |
| 40 | 205 |
| 41 | 866 |
| 42 | 2606 |
| 43 | 3740 |
| 44 | 1781 |
| 45 | 77 |
| 46 | 1 |
| 47 | 10 |
| 48 | 40 |
| 49 | 311 |
| 50 | 1702 |
| 51 | 7179 |
| 52 | 17771 |
| 53 | 20888 |
| 54 | 6912 |
| 55 | 199 |
| 56 | 1 |
| 57 | 11 |
| 58 | 49 |
| 59 | 448 |
| 60 | 3014 |
| 61 | 16660 |
| 62 | 60778 |
| 63 | 128598 |
| 64 | 118137 |
[1,1,2,1,3,1,1,4,4,4,1,5,7,15,4,1,6,12,35,38,11,1, 7,17,72,140,136,15,1,8,24,128,390,731,458,43,1,9, 31,205,866,2606,3740,1781,77,1,10,40,311,1702, 7179,17771,20888,6912,199,1,11,49,448,3014,16660, 60778,128598,118137] |