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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 37 |
| 4 | 167 |
| 5 | 457 |
| 6 | 971 |
| 7 | 2927 |
| 8 | 6547 |
| 9 | 12343 |
| 10 | 16217 |
| 11 | 26237 |
| 12 | 105997 |
| 13 | 121487 |
| 14 | 246907 |
| 15 | 273821 |
| 16 | 400997 |
| 17 | 562477 |
| 18 | 657361 |
| 19 | 708563 |
| 20 | 939931 |
| 21 | 1072447 |
| 22 | 1216867 |
| 23 | 1293701 |
| 24 | 1456937 |
| 25 | 2027797 |
| 26 | 2135447 |
| 27 | 2604127 |
| 28 | 2997413 |
| 29 | 4410551 |
| 30 | 5564323 |
| 31 | 6209897 |
| 32 | 6435691 |
| 33 | 7647061 |
| 34 | 8442107 |
[2,3,37,167,457,971,2927,6547,12343,16217,26237, 105997,121487,246907,273821,400997,562477,657361, 708563,939931,1072447,1216867,1293701,1456937, 2027797,2135447,2604127,2997413,4410551,5564323, 6209897,6435691,7647061,8442107] |