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A225013 as a simple table
| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 49 |
| 3 | 252 |
| 4 | 1036 |
| 5 | 3612 |
| 6 | 11088 |
| 7 | 30738 |
| 8 | 78354 |
| 9 | 186142 |
| 10 | 416394 |
| 11 | 884236 |
| 12 | 1794196 |
| 13 | 3497248 |
| 14 | 6577474 |
| 15 | 11980667 |
| 16 | 21201211 |
| 17 | 36548573 |
| 18 | 61520899 |
| 19 | 101320712 |
| 20 | 163556776 |
| 21 | 259187048 |
| 22 | 403770544 |
| 23 | 619111172 |
| 24 | 935394436 |
| 25 | 1393938716 |
| 26 | 2050706932 |
[7,49,252,1036,3612,11088,30738,78354,186142, 416394,884236,1794196,3497248,6577474,11980667, 21201211,36548573,61520899,101320712,163556776, 259187048,403770544,619111172,935394436, 1393938716,2050706932] |