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 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 10 |
| 5 | 15 |
| 6 | 21 |
| 7 | 45 |
| 8 | 105 |
| 9 | 136 |
| 10 | 190 |
| 11 | 210 |
| 12 | 231 |
| 13 | 325 |
| 14 | 435 |
| 15 | 465 |
| 16 | 780 |
| 17 | 1081 |
| 18 | 1225 |
| 19 | 1485 |
| 20 | 1596 |
| 21 | 2415 |
| 22 | 3081 |
| 23 | 4005 |
| 24 | 4465 |
| 25 | 4560 |
| 26 | 5253 |
| 27 | 6670 |
| 28 | 7021 |
| 29 | 7750 |
| 30 | 9730 |
| 31 | 14365 |
| 32 | 15576 |
| 33 | 16653 |
| 34 | 17020 |
| 35 | 19306 |
| 36 | 20100 |
| 37 | 20301 |
| 38 | 23436 |
| 39 | 24310 |
| 40 | 24531 |
| 41 | 30135 |
| 42 | 30628 |
| 43 | 36585 |
[0,1,3,10,15,21,45,105,136,190,210,231,325,435, 465,780,1081,1225,1485,1596,2415,3081,4005,4465, 4560,5253,6670,7021,7750,9730,14365,15576,16653, 17020,19306,20100,20301,23436,24310,24531,30135, 30628,36585] |