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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 38 |
| 3 | 16987850 |
| 4 | 2416266950 |
| 5 | 5995229030 |
| 6 | 7193673830 |
| 7 | 11465419550 |
| 8 | 17783484530 |
| 9 | 72155530502 |
| 10 | 142013229530 |
| 11 | 174523785590 |
| 12 | 189282539138 |
| 13 | 294183810998 |
| 14 | 302690164298 |
| 15 | 354613312130 |
| 16 | 774557575610 |
| 17 | 933821938790 |
| 18 | 1407294504938 |
| 19 | 1974020768390 |
| 20 | 2112969494570 |
| 21 | 2878251281402 |
| 22 | 3239815009970 |
| 23 | 3756030401750 |
| 24 | 3915556797110 |
| 25 | 6086837726270 |
| 26 | 6154479362702 |
| 27 | 6760841132870 |
| 28 | 7412805544190 |
| 29 | 7430816963570 |
| 30 | 10197159330050 |
| 31 | 12162461471270 |
| 32 | 15374128532210 |
| 33 | 15561152727890 |
| 34 | 17132853402170 |
| 35 | 17728631282570 |
| 36 | 25843631671550 |
| 37 | 38138222902514 |
| 38 | 39974191417010 |
| 39 | 56482483860710 |
| 40 | 71475592618370 |
| 41 | 78107027121482 |
[2,38,16987850,2416266950,5995229030,7193673830, 11465419550,17783484530,72155530502,142013229530, 174523785590,189282539138,294183810998, 302690164298,354613312130,774557575610, 933821938790,1407294504938,1974020768390, 2112969494570,2878251281402,3239815009970, 3756030401750,3915556797110,6086837726270, 6154479362702,6760841132870,7412805544190, 7430816963570,10197159330050,12162461471270, 15374128532210,15561152727890,17132853402170, 17728631282570,25843631671550,38138222902514, 39974191417010,56482483860710,71475592618370, 78107027121482] |