The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 9 |
| 9 | 10 |
| 10 | 16 |
| 11 | 25 |
| 12 | 32 |
| 13 | 45 |
| 14 | 65 |
| 15 | 133 |
| 16 | 134 |
| 17 | 152 |
| 18 | 250 |
| 19 | 1542 |
| 20 | 3190 |
| 21 | 3222 |
| 22 | 3612 |
| 23 | 3613 |
| 24 | 4183 |
| 25 | 9286 |
| 26 | 35411 |
| 27 | 37271 |
| 28 | 72865 |
| 29 | 191334 |
| 30 | 193393 |
| 31 | 376889 |
| 32 | 535069 |
| 33 | 794376 |
| 34 | 1110699 |
| 35 | 2236488 |
| 36 | 3021897 |
| 37 | 4431562 |
| 38 | 8094840 |
| 39 | 9885773 |
| 40 | 10883814 |
| 41 | 16219922 |
[0,1,2,3,4,5,6,9,10,16,25,32,45,65,133,134,152, 250,1542,3190,3222,3612,3613,4183,9286,35411, 37271,72865,191334,193393,376889,535069,794376, 1110699,2236488,3021897,4431562,8094840,9885773, 10883814,16219922] |