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A304896 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 23 |
| 3 | 62 |
| 4 | 330 |
| 5 | 1249 |
| 6 | 5562 |
| 7 | 23101 |
| 8 | 99064 |
| 9 | 418753 |
| 10 | 1782180 |
| 11 | 7560125 |
| 12 | 32121500 |
| 13 | 136371438 |
| 14 | 579184407 |
| 15 | 2459401732 |
| 16 | 10444343450 |
| 17 | 44352084495 |
| 18 | 188345794820 |
| 19 | 799822302052 |
| 20 | 3396512040540 |
| 21 | 14423538367155 |
| 22 | 61250684689212 |
[1,23,62,330,1249,5562,23101,99064,418753,1782180, 7560125,32121500,136371438,579184407,2459401732, 10444343450,44352084495,188345794820,799822302052, 3396512040540,14423538367155,61250684689212] |