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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 22 |
| 3 | 93 |
| 4 | 387 |
| 5 | 1602 |
| 6 | 6623 |
| 7 | 27377 |
| 8 | 113174 |
| 9 | 467877 |
| 10 | 1934315 |
| 11 | 7996978 |
| 12 | 33061703 |
| 13 | 136686153 |
| 14 | 565097958 |
| 15 | 2336269341 |
| 16 | 9658775347 |
| 17 | 39932014114 |
| 18 | 165089847535 |
| 19 | 682526498529 |
| 20 | 2821750872886 |
| 21 | 11665888441301 |
| 22 | 48229967585083 |
| 23 | 199395852702354 |
| 24 | 824356889826903 |
[1,5,22,93,387,1602,6623,27377,113174,467877, 1934315,7996978,33061703,136686153,565097958, 2336269341,9658775347,39932014114,165089847535, 682526498529,2821750872886,11665888441301, 48229967585083,199395852702354,824356889826903] |