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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 4 |
| 3 | 19 |
| 4 | 24 |
| 5 | 89 |
| 6 | 119 |
| 7 | 124 |
| 8 | 409 |
| 9 | 589 |
| 10 | 619 |
| 11 | 624 |
| 12 | 1829 |
| 13 | 2909 |
| 14 | 3089 |
| 15 | 3119 |
| 16 | 3124 |
| 17 | 7849 |
| 18 | 14329 |
| 19 | 15409 |
| 20 | 15589 |
| 21 | 15619 |
| 22 | 15624 |
| 23 | 31469 |
| 24 | 70349 |
| 25 | 76829 |
| 26 | 77909 |
| 27 | 78089 |
| 28 | 78119 |
| 29 | 78124 |
| 30 | 110689 |
| 31 | 273509 |
| 32 | 343969 |
| 33 | 382849 |
| 34 | 389329 |
| 35 | 390409 |
| 36 | 390589 |
| 37 | 390619 |
| 38 | 390624 |
| 39 | 1673189 |
| 40 | 1906469 |
[0,4,19,24,89,119,124,409,589,619,624,1829,2909, 3089,3119,3124,7849,14329,15409,15589,15619,15624, 31469,70349,76829,77909,78089,78119,78124,110689, 273509,343969,382849,389329,390409,390589,390619, 390624,1673189,1906469] |