The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 12 |
| 7 | 16 |
| 8 | 24 |
| 9 | 33 |
| 10 | 47 |
| 11 | 63 |
| 12 | 90 |
| 13 | 118 |
| 14 | 161 |
| 15 | 212 |
| 16 | 283 |
| 17 | 367 |
| 18 | 487 |
| 19 | 624 |
| 20 | 812 |
| 21 | 1037 |
| 22 | 1332 |
| 23 | 1685 |
| 24 | 2152 |
| 25 | 2700 |
| 26 | 3409 |
| 27 | 4259 |
| 28 | 5333 |
| 29 | 6617 |
| 30 | 8242 |
| 31 | 10165 |
| 32 | 12568 |
| 33 | 15436 |
| 34 | 18970 |
| 35 | 23178 |
| 36 | 28360 |
| 37 | 34487 |
| 38 | 41970 |
| 39 | 50850 |
| 40 | 61599 |
| 41 | 74322 |
| 42 | 89696 |
| 43 | 107809 |
| 44 | 129572 |
| 45 | 155235 |
| 46 | 185881 |
| 47 | 221936 |
[1,1,2,3,5,7,12,16,24,33,47,63,90,118,161,212,283, 367,487,624,812,1037,1332,1685,2152,2700,3409, 4259,5333,6617,8242,10165,12568,15436,18970,23178, 28360,34487,41970,50850,61599,74322,89696,107809, 129572,155235,185881,221936] |