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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 10 |
| 4 | 24 |
| 5 | 110 |
| 6 | 152 |
| 7 | 656 |
| 8 | 1198 |
| 9 | 2714 |
| 10 | 3632 |
| 11 | 9512 |
| 12 | 13082 |
| 13 | 27274 |
| 14 | 34474 |
| 15 | 51416 |
| 16 | 71168 |
| 17 | 128704 |
| 18 | 152430 |
| 19 | 253648 |
| 20 | 311636 |
| 21 | 412538 |
| 22 | 495234 |
| 23 | 766258 |
| 24 | 877438 |
| 25 | 1217102 |
| 26 | 1420616 |
| 27 | 1843136 |
| 28 | 2170622 |
| 29 | 3039784 |
| 30 | 3342200 |
| 31 | 4551830 |
| 32 | 5284110 |
| 33 | 6360830 |
| 34 | 7182594 |
| 35 | 8780236 |
| 36 | 9608714 |
[0,2,10,24,110,152,656,1198,2714,3632,9512,13082, 27274,34474,51416,71168,128704,152430,253648, 311636,412538,495234,766258,877438,1217102, 1420616,1843136,2170622,3039784,3342200,4551830, 5284110,6360830,7182594,8780236,9608714] |