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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 9 |
| 3 | 26 |
| 4 | 83 |
| 5 | 192 |
| 6 | 445 |
| 7 | 892 |
| 8 | 1752 |
| 9 | 3136 |
| 10 | 5494 |
| 11 | 9074 |
| 12 | 14716 |
| 13 | 22842 |
| 14 | 34868 |
| 15 | 51570 |
| 16 | 75217 |
| 17 | 106968 |
| 18 | 150289 |
| 19 | 207026 |
| 20 | 282233 |
| 21 | 378516 |
| 22 | 503027 |
| 23 | 659558 |
| 24 | 857984 |
| 25 | 1103346 |
| 26 | 1408886 |
| 27 | 1781610 |
| 28 | 2238970 |
| 29 | 2789894 |
| 30 | 3457002 |
| 31 | 4252128 |
| 32 | 5204053 |
| 33 | 6327530 |
| 34 | 7658725 |
| 35 | 9216516 |
[2,9,26,83,192,445,892,1752,3136,5494,9074,14716, 22842,34868,51570,75217,106968,150289,207026, 282233,378516,503027,659558,857984,1103346, 1408886,1781610,2238970,2789894,3457002,4252128, 5204053,6327530,7658725,9216516] |