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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 4 |
| 5 | 11 |
| 6 | 24 |
| 7 | 57 |
| 8 | 112 |
| 9 | 244 |
| 10 | 480 |
| 11 | 1013 |
| 12 | 1972 |
| 13 | 4083 |
| 14 | 8064 |
| 15 | 16331 |
| 16 | 32512 |
| 17 | 65519 |
| 18 | 130488 |
| 19 | 262125 |
| 20 | 523244 |
| 21 | 1048377 |
| 22 | 2095104 |
| 23 | 4194281 |
| 24 | 8384176 |
| 25 | 16777136 |
| 26 | 33546240 |
| 27 | 67108096 |
| 28 | 134201316 |
| 29 | 268435427 |
| 30 | 536836584 |
| 31 | 1073741793 |
| 32 | 2147418112 |
| 33 | 4294964213 |
| 34 | 8589803520 |
| 35 | 17179868787 |
| 36 | 34359470272 |
| 37 | 68719476699 |
| 38 | 137438429184 |
| 39 | 274877894643 |
[1,0,1,4,11,24,57,112,244,480,1013,1972,4083,8064, 16331,32512,65519,130488,262125,523244,1048377, 2095104,4194281,8384176,16777136,33546240, 67108096,134201316,268435427,536836584,1073741793, 2147418112,4294964213,8589803520,17179868787, 34359470272,68719476699,137438429184,274877894643] |