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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 16 |
| 7 | 31 |
| 8 | 63 |
| 9 | 125 |
| 10 | 252 |
| 11 | 504 |
| 12 | 1013 |
| 13 | 2027 |
| 14 | 4069 |
| 15 | 8141 |
| 16 | 16318 |
| 17 | 32650 |
| 18 | 65381 |
| 19 | 130801 |
| 20 | 261791 |
| 21 | 523677 |
| 22 | 1047780 |
| 23 | 2095796 |
| 24 | 4192533 |
| 25 | 8385623 |
| 26 | 16773321 |
| 27 | 33547917 |
| 28 | 67100362 |
| 29 | 134203614 |
| 30 | 268417029 |
| 31 | 536840509 |
| 32 | 1073702131 |
| 33 | 2147418493 |
| 34 | 4294882224 |
| 35 | 8589795592 |
[1,1,1,2,4,8,16,31,63,125,252,504,1013,2027,4069, 8141,16318,32650,65381,130801,261791,523677, 1047780,2095796,4192533,8385623,16773321,33547917, 67100362,134203614,268417029,536840509,1073702131, 2147418493,4294882224,8589795592] |