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 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 2 |
| 6 | 1 |
| 7 | 0 |
| 8 | 1 |
| 9 | 8 |
| 10 | 1 |
| 11 | 0 |
| 12 | 2 |
| 13 | 56 |
| 14 | 60 |
| 15 | 1 |
| 16 | 0 |
| 17 | 1 |
| 18 | 332 |
| 19 | 3201 |
| 20 | 544 |
| 21 | 1 |
| 22 | 0 |
| 23 | 2 |
| 24 | 2350 |
| 25 | 184740 |
| 26 | 307016 |
| 27 | 6040 |
| 28 | 1 |
| 29 | 0 |
| 30 | 1 |
| 31 | 16108 |
| 32 | 11375145 |
| 33 | 196389904 |
| 34 | 43200625 |
| 35 | 79008 |
| 36 | 1 |
| 37 | 0 |
| 38 | 2 |
| 39 | 114148 |
| 40 | 730983420 |
| 41 | 137409486772 |
| 42 | 368696849320 |
| 43 | 8403205056 |
| 44 | 1190672 |
| 45 | 1 |
| 46 | 0 |
| 47 | 1 |
| 48 | 817280 |
[1,0,1,0,2,1,0,1,8,1,0,2,56,60,1,0,1,332,3201,544, 1,0,2,2350,184740,307016,6040,1,0,1,16108, 11375145,196389904,43200625,79008,1,0,2,114148, 730983420,137409486772,368696849320,8403205056, 1190672,1,0,1,817280] |