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 | 1 |
| 5 | 3 |
| 6 | 3 |
| 7 | 9 |
| 8 | 12 |
| 9 | 18 |
| 10 | 24 |
| 11 | 37 |
| 12 | 43 |
| 13 | 64 |
| 14 | 81 |
| 15 | 99 |
| 16 | 129 |
| 17 | 162 |
| 18 | 201 |
| 19 | 247 |
| 20 | 303 |
| 21 | 364 |
| 22 | 457 |
| 23 | 535 |
| 24 | 653 |
| 25 | 765 |
| 26 | 943 |
| 27 | 1085 |
| 28 | 1315 |
| 29 | 1517 |
| 30 | 1830 |
| 31 | 2096 |
| 32 | 2516 |
| 33 | 2877 |
| 34 | 3432 |
| 35 | 3881 |
| 36 | 4622 |
| 37 | 5235 |
| 38 | 6189 |
| 39 | 7003 |
| 40 | 8203 |
| 41 | 9261 |
| 42 | 10859 |
| 43 | 12199 |
| 44 | 14216 |
| 45 | 15985 |
| 46 | 18544 |
| 47 | 20777 |
| 48 | 24064 |
| 49 | 26897 |
[0,0,0,0,1,3,3,9,12,18,24,37,43,64,81,99,129,162, 201,247,303,364,457,535,653,765,943,1085,1315, 1517,1830,2096,2516,2877,3432,3881,4622,5235,6189, 7003,8203,9261,10859,12199,14216,15985,18544, 20777,24064,26897] |