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 | 0 |
| 10 | 1 |
| 11 | 1 |
| 12 | 2 |
| 13 | 4 |
| 14 | 6 |
| 15 | 10 |
| 16 | 16 |
| 17 | 24 |
| 18 | 33 |
| 19 | 51 |
| 20 | 70 |
| 21 | 100 |
| 22 | 137 |
| 23 | 189 |
| 24 | 250 |
| 25 | 344 |
| 26 | 450 |
| 27 | 597 |
| 28 | 778 |
| 29 | 1019 |
| 30 | 1302 |
| 31 | 1690 |
| 32 | 2142 |
| 33 | 2734 |
| 34 | 3448 |
| 35 | 4360 |
| 36 | 5432 |
| 37 | 6823 |
| 38 | 8453 |
| 39 | 10495 |
| 40 | 12941 |
| 41 | 15968 |
| 42 | 19529 |
| 43 | 23964 |
| 44 | 29166 |
| 45 | 35525 |
| 46 | 43054 |
| 47 | 52173 |
| 48 | 62861 |
| 49 | 75842 |
| 50 | 91013 |
| 51 | 109208 |
[0,0,0,0,0,0,0,0,0,0,1,1,2,4,6,10,16,24,33,51,70, 100,137,189,250,344,450,597,778,1019,1302,1690, 2142,2734,3448,4360,5432,6823,8453,10495,12941, 15968,19529,23964,29166,35525,43054,52173,62861, 75842,91013,109208] |