The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1168 |
| 2 | 1602 |
| 3 | 1406 |
| 4 | 2002 |
| 5 | 3128 |
| 6 | 4570 |
| 7 | 6562 |
| 8 | 10980 |
| 9 | 18568 |
| 10 | 26866 |
| 11 | 47386 |
| 12 | 84660 |
| 13 | 122946 |
| 14 | 224610 |
| 15 | 409428 |
| 16 | 595934 |
| 17 | 1099500 |
| 18 | 2017128 |
| 19 | 2940062 |
| 20 | 5447180 |
| 21 | 10020972 |
| 22 | 14609852 |
| 23 | 27109394 |
| 24 | 49938584 |
| 25 | 72814596 |
| 26 | 135212590 |
| 27 | 249247170 |
| 28 | 363421408 |
| 29 | 675111432 |
[1168,1602,1406,2002,3128,4570,6562,10980,18568, 26866,47386,84660,122946,224610,409428,595934, 1099500,2017128,2940062,5447180,10020972,14609852, 27109394,49938584,72814596,135212590,249247170, 363421408,675111432] |