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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 1 |
| 7 | 1 |
| 8 | 4 |
| 9 | 7 |
| 10 | 8 |
| 11 | 7 |
| 12 | 4 |
| 13 | 1 |
| 14 | 1 |
| 15 | 10 |
| 16 | 52 |
| 17 | 190 |
| 18 | 546 |
| 19 | 1302 |
| 20 | 2660 |
| 21 | 4754 |
| 22 | 7535 |
| 23 | 10692 |
| 24 | 13672 |
| 25 | 15820 |
| 26 | 16604 |
| 27 | 15820 |
| 28 | 13672 |
| 29 | 10692 |
| 30 | 7535 |
| 31 | 4754 |
| 32 | 2660 |
| 33 | 1302 |
| 34 | 546 |
| 35 | 190 |
| 36 | 52 |
| 37 | 10 |
| 38 | 1 |
| 39 | 1 |
| 40 | 26 |
| 41 | 372 |
| 42 | 3822 |
| 43 | 31306 |
| 44 | 216086 |
| 45 | 1300420 |
| 46 | 6981650 |
| 47 | 33992275 |
| 48 | 151945820 |
[1,1,1,1,1,2,1,1,4,7,8,7,4,1,1,10,52,190,546,1302, 2660,4754,7535,10692,13672,15820,16604,15820, 13672,10692,7535,4754,2660,1302,546,190,52,10,1,1, 26,372,3822,31306,216086,1300420,6981650,33992275, 151945820] |