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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 1 |
| 10 | 1 |
| 11 | 2 |
| 12 | 3 |
| 13 | 6 |
| 14 | 9 |
| 15 | 15 |
| 16 | 22 |
| 17 | 35 |
| 18 | 50 |
| 19 | 73 |
| 20 | 101 |
| 21 | 145 |
| 22 | 196 |
| 23 | 270 |
| 24 | 360 |
| 25 | 484 |
| 26 | 632 |
| 27 | 832 |
| 28 | 1069 |
| 29 | 1382 |
| 30 | 1755 |
| 31 | 2229 |
| 32 | 2794 |
| 33 | 3508 |
| 34 | 4346 |
| 35 | 5384 |
| 36 | 6608 |
| 37 | 8101 |
| 38 | 9847 |
| 39 | 11960 |
| 40 | 14413 |
| 41 | 17354 |
| 42 | 20760 |
| 43 | 24791 |
| 44 | 29444 |
| 45 | 34923 |
| 46 | 41201 |
| 47 | 48535 |
| 48 | 56926 |
| 49 | 66654 |
| 50 | 77731 |
[0,0,0,0,0,0,0,0,0,1,1,2,3,6,9,15,22,35,50,73,101, 145,196,270,360,484,632,832,1069,1382,1755,2229, 2794,3508,4346,5384,6608,8101,9847,11960,14413, 17354,20760,24791,29444,34923,41201,48535,56926, 66654,77731] |