The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 8 |
| 3 | 25 |
| 4 | 56 |
| 5 | 103 |
| 6 | 198 |
| 7 | 323 |
| 8 | 464 |
| 9 | 655 |
| 10 | 924 |
| 11 | 1204 |
| 12 | 1620 |
| 13 | 2063 |
| 14 | 2548 |
| 15 | 3193 |
| 16 | 3872 |
| 17 | 4525 |
| 18 | 5454 |
| 19 | 6448 |
| 20 | 7500 |
| 21 | 8764 |
| 22 | 10116 |
| 23 | 11386 |
| 24 | 13032 |
| 25 | 14828 |
| 26 | 16562 |
| 27 | 18529 |
| 28 | 20712 |
| 29 | 22812 |
| 30 | 25764 |
| 31 | 28814 |
| 32 | 31296 |
| 33 | 34223 |
| 34 | 37424 |
| 35 | 40607 |
| 36 | 44604 |
| 37 | 48504 |
| 38 | 52064 |
| 39 | 56245 |
| 40 | 61000 |
[2,8,25,56,103,198,323,464,655,924,1204,1620,2063, 2548,3193,3872,4525,5454,6448,7500,8764,10116, 11386,13032,14828,16562,18529,20712,22812,25764, 28814,31296,34223,37424,40607,44604,48504,52064, 56245,61000] |