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| n | a(n) |
|---|---|
| 1 | 44 |
| 2 | 164 |
| 3 | 603 |
| 4 | 1758 |
| 5 | 5130 |
| 6 | 13040 |
| 7 | 33223 |
| 8 | 77574 |
| 9 | 181559 |
| 10 | 401370 |
| 11 | 889157 |
| 12 | 1896644 |
| 13 | 4052667 |
| 14 | 8444892 |
| 15 | 17621165 |
| 16 | 36165014 |
| 17 | 74299430 |
| 18 | 151007392 |
| 19 | 307137335 |
| 20 | 620376066 |
| 21 | 1253727656 |
| 22 | 2522563936 |
| 23 | 5077320907 |
| 24 | 10191401694 |
| 25 | 20461362545 |
[44,164,603,1758,5130,13040,33223,77574,181559, 401370,889157,1896644,4052667,8444892,17621165, 36165014,74299430,151007392,307137335,620376066, 1253727656,2522563936,5077320907,10191401694, 20461362545] |