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| n | a(n) |
|---|---|
| 1 | 20 |
| 2 | 36 |
| 3 | 56 |
| 4 | 66 |
| 5 | 80 |
| 6 | 84 |
| 7 | 96 |
| 8 | 104 |
| 9 | 108 |
| 10 | 140 |
| 11 | 156 |
| 12 | 176 |
| 13 | 192 |
| 14 | 200 |
| 15 | 204 |
| 16 | 216 |
| 17 | 224 |
| 18 | 260 |
| 19 | 272 |
| 20 | 276 |
| 21 | 300 |
| 22 | 308 |
| 23 | 320 |
| 24 | 336 |
| 25 | 360 |
| 26 | 368 |
| 27 | 380 |
| 28 | 392 |
| 29 | 396 |
| 30 | 416 |
| 31 | 440 |
| 32 | 444 |
| 33 | 456 |
| 34 | 464 |
| 35 | 476 |
| 36 | 486 |
| 37 | 500 |
| 38 | 516 |
| 39 | 528 |
| 40 | 540 |
| 41 | 546 |
| 42 | 560 |
| 43 | 572 |
| 44 | 576 |
| 45 | 608 |
| 46 | 612 |
| 47 | 620 |
| 48 | 636 |
| 49 | 644 |
| 50 | 650 |
| 51 | 680 |
| 52 | 696 |
| 53 | 704 |
[20,36,56,66,80,84,96,104,108,140,156,176,192,200, 204,216,224,260,272,276,300,308,320,336,360,368, 380,392,396,416,440,444,456,464,476,486,500,516, 528,540,546,560,572,576,608,612,620,636,644,650, 680,696,704] |