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| n | a(n) |
|---|---|
| 1 | 19 |
| 2 | 50 |
| 3 | 211 |
| 4 | 577 |
| 5 | 2083 |
| 6 | 3469 |
| 7 | 7361 |
| 8 | 10395 |
| 9 | 17915 |
| 10 | 35249 |
| 11 | 43188 |
| 12 | 72392 |
| 13 | 97236 |
| 14 | 113324 |
| 15 | 146556 |
| 16 | 209098 |
| 17 | 285307 |
| 18 | 317925 |
| 19 | 417234 |
| 20 | 494939 |
| 21 | 541264 |
| 22 | 684114 |
| 23 | 789130 |
| 24 | 968524 |
| 25 | 1249354 |
| 26 | 1408123 |
| 27 | 1500944 |
| 28 | 1679217 |
| 29 | 1781388 |
| 30 | 1980305 |
[19,50,211,577,2083,3469,7361,10395,17915,35249, 43188,72392,97236,113324,146556,209098,285307, 317925,417234,494939,541264,684114,789130,968524, 1249354,1408123,1500944,1679217,1781388,1980305] |