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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 20 |
| 4 | 26 |
| 5 | 200 |
| 6 | 260 |
| 7 | 474 |
| 8 | 2000 |
| 9 | 2600 |
| 10 | 2602 |
| 11 | 4740 |
| 12 | 4762 |
| 13 | 20000 |
| 14 | 20602 |
| 15 | 26000 |
| 16 | 26020 |
| 17 | 26602 |
| 18 | 47400 |
| 19 | 47620 |
| 20 | 77474 |
| 21 | 77602 |
| 22 | 200000 |
| 23 | 206020 |
| 24 | 260000 |
| 25 | 260200 |
| 26 | 266020 |
| 27 | 474000 |
| 28 | 476200 |
| 29 | 476474 |
| 30 | 476662 |
| 31 | 774740 |
| 32 | 776020 |
| 33 | 2000000 |
| 34 | 2006002 |
| 35 | 2060200 |
| 36 | 2060762 |
| 37 | 2600000 |
| 38 | 2602000 |
| 39 | 2647026 |
| 40 | 2660200 |
| 41 | 4474674 |
| 42 | 4740000 |
| 43 | 4762000 |
| 44 | 4764740 |
| 45 | 4766620 |
| 46 | 7747400 |
[0,2,20,26,200,260,474,2000,2600,2602,4740,4762, 20000,20602,26000,26020,26602,47400,47620,77474, 77602,200000,206020,260000,260200,266020,474000, 476200,476474,476662,774740,776020,2000000, 2006002,2060200,2060762,2600000,2602000,2647026, 2660200,4474674,4740000,4762000,4764740,4766620, 7747400] |