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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 7 |
| 3 | 16 |
| 4 | 50 |
| 5 | 494 |
| 6 | 4485 |
| 7 | 12585 |
| 8 | 20606 |
| 9 | 45590 |
| 10 | 46761 |
| 11 | 48614 |
| 12 | 64785 |
| 13 | 72609 |
| 14 | 137853 |
| 15 | 169898 |
| 16 | 196934 |
| 17 | 224186 |
| 18 | 321986 |
| 19 | 363037 |
| 20 | 466545 |
| 21 | 474573 |
| 22 | 532441 |
| 23 | 702374 |
| 24 | 811004 |
| 25 | 910125 |
| 26 | 982310 |
| 27 | 1141281 |
| 28 | 1282436 |
| 29 | 1288557 |
| 30 | 1531245 |
| 31 | 1602801 |
| 32 | 1635854 |
| 33 | 1695705 |
| 34 | 1842405 |
| 35 | 2246781 |
| 36 | 2725802 |
| 37 | 3018277 |
| 38 | 3343515 |
[4,7,16,50,494,4485,12585,20606,45590,46761,48614, 64785,72609,137853,169898,196934,224186,321986, 363037,466545,474573,532441,702374,811004,910125, 982310,1141281,1282436,1288557,1531245,1602801, 1635854,1695705,1842405,2246781,2725802,3018277, 3343515] |