| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 5 |
| 3 | 16 |
| 4 | 21 |
| 5 | 31 |
| 6 | 41 |
| 7 | 92 |
| 8 | 156 |
| 9 | 91 |
| 10 | 216 |
| 11 | 121 |
| 12 | 185 |
| 13 | 336 |
| 14 | 640 |
| 15 | 249 |
| 16 | 316 |
| 17 | 608 |
| 18 | 459 |
| 19 | 241 |
| 20 | 596 |
| 21 | 476 |
| 22 | 704 |
| 23 | 1296 |
| 24 | 493 |
| 25 | 627 |
| 26 | 619 |
| 27 | 1340 |
| 28 | 521 |
| 29 | 541 |
| 30 | 1072 |
| 31 | 1647 |
| 32 | 691 |
| 33 | 1416 |
| 34 | 859 |
| 35 | 1281 |
| 36 | 1624 |
| 37 | 1916 |
| 38 | 1445 |
| 39 | 1257 |
| 40 | 1696 |
| 41 | 4800 |
| 42 | 1301 |
| 43 | 1509 |
| 44 | 1363 |
| 45 | 1313 |
| 46 | 2804 |
| 47 | 2192 |
| 48 | 2200 |
| 49 | 1427 |
[4,5,16,21,31,41,92,156,91,216,121,185,336,640, 249,316,608,459,241,596,476,704,1296,493,627,619, 1340,521,541,1072,1647,691,1416,859,1281,1624, 1916,1445,1257,1696,4800,1301,1509,1363,1313,2804, 2192,2200,1427] |