The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 25 |
| 3 | 84 |
| 4 | 201 |
| 5 | 392 |
| 6 | 678 |
| 7 | 1077 |
| 8 | 1608 |
| 9 | 2290 |
| 10 | 3141 |
| 11 | 4181 |
| 12 | 5428 |
| 13 | 6902 |
| 14 | 8620 |
| 15 | 10602 |
| 16 | 12867 |
| 17 | 15434 |
| 18 | 18321 |
| 19 | 21548 |
| 20 | 25132 |
| 21 | 29094 |
| 22 | 33451 |
| 23 | 38223 |
| 24 | 43429 |
| 25 | 49087 |
| 26 | 55216 |
| 27 | 61835 |
| 28 | 68964 |
| 29 | 76620 |
| 30 | 84823 |
| 31 | 93591 |
| 32 | 102943 |
| 33 | 112899 |
| 34 | 123477 |
| 35 | 134695 |
| 36 | 146574 |
[3,25,84,201,392,678,1077,1608,2290,3141,4181, 5428,6902,8620,10602,12867,15434,18321,21548, 25132,29094,33451,38223,43429,49087,55216,61835, 68964,76620,84823,93591,102943,112899,123477, 134695,146574] |