The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 12 |
| 3 | 20 |
| 4 | 36 |
| 5 | 50 |
| 6 | 67 |
| 7 | 102 |
| 8 | 145 |
| 9 | 178 |
| 10 | 223 |
| 11 | 252 |
| 12 | 284 |
| 13 | 361 |
| 14 | 441 |
| 15 | 488 |
| 16 | 559 |
| 17 | 587 |
| 18 | 663 |
| 19 | 787 |
| 20 | 889 |
| 21 | 965 |
| 22 | 1022 |
| 23 | 1090 |
| 24 | 1219 |
| 25 | 1361 |
| 26 | 1460 |
| 27 | 1577 |
| 28 | 1687 |
| 29 | 1763 |
| 30 | 1907 |
| 31 | 2075 |
| 32 | 2200 |
| 33 | 2334 |
| 34 | 2485 |
| 35 | 2609 |
| 36 | 2736 |
| 37 | 2952 |
| 38 | 3117 |
| 39 | 3241 |
| 40 | 3423 |
| 41 | 3577 |
| 42 | 3758 |
| 43 | 3982 |
| 44 | 4172 |
| 45 | 4348 |
| 46 | 4512 |
[1,4,12,20,36,50,67,102,145,178,223,252,284,361, 441,488,559,587,663,787,889,965,1022,1090,1219, 1361,1460,1577,1687,1763,1907,2075,2200,2334,2485, 2609,2736,2952,3117,3241,3423,3577,3758,3982,4172, 4348,4512] |