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| n | a(n) |
|---|---|
| 0 | 4 |
| 1 | 10 |
| 2 | 33 |
| 3 | 53 |
| 4 | 138 |
| 5 | 201 |
| 6 | 340 |
| 7 | 431 |
| 8 | 624 |
| 9 | 1024 |
| 10 | 1116 |
| 11 | 1557 |
| 12 | 1989 |
| 13 | 2202 |
| 14 | 2702 |
| 15 | 3357 |
| 16 | 4098 |
| 17 | 4520 |
| 18 | 5484 |
| 19 | 6109 |
| 20 | 6615 |
| 21 | 7608 |
| 22 | 8502 |
| 23 | 9802 |
| 24 | 11391 |
| 25 | 12286 |
| 26 | 13002 |
| 27 | 14160 |
| 28 | 14918 |
| 29 | 16142 |
| 30 | 19896 |
| 31 | 21320 |
| 32 | 23069 |
| 33 | 23760 |
| 34 | 27377 |
| 35 | 28429 |
| 36 | 30430 |
| 37 | 33159 |
| 38 | 34977 |
| 39 | 37876 |
| 40 | 40177 |
[4,10,33,53,138,201,340,431,624,1024,1116,1557, 1989,2202,2702,3357,4098,4520,5484,6109,6615,7608, 8502,9802,11391,12286,13002,14160,14918,16142, 19896,21320,23069,23760,27377,28429,30430,33159, 34977,37876,40177] |