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A091344 as a simple table
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 7 |
| 3 | 31 |
| 4 | 115 |
| 5 | 391 |
| 6 | 1267 |
| 7 | 3991 |
| 8 | 12355 |
| 9 | 37831 |
| 10 | 115027 |
| 11 | 348151 |
| 12 | 1050595 |
| 13 | 3164071 |
| 14 | 9516787 |
| 15 | 28599511 |
| 16 | 85896835 |
| 17 | 257887111 |
| 18 | 774054547 |
| 19 | 2322950071 |
| 20 | 6970423075 |
| 21 | 20914414951 |
| 22 | 62749536307 |
| 23 | 188261191831 |
| 24 | 564808741315 |
| 25 | 1694476555591 |
[0,1,7,31,115,391,1267,3991,12355,37831,115027, 348151,1050595,3164071,9516787,28599511,85896835, 257887111,774054547,2322950071,6970423075, 20914414951,62749536307,188261191831,564808741315, 1694476555591] |