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A263532 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 7 |
| 5 | 32 |
| 6 | 165 |
| 7 | 920 |
| 8 | 5451 |
| 9 | 33932 |
| 10 | 220127 |
| 11 | 1479568 |
| 12 | 10259394 |
| 13 | 73148986 |
| 14 | 534912298 |
| 15 | 4003678718 |
| 16 | 30621175937 |
| 17 | 238991734932 |
| 18 | 1901317053794 |
| 19 | 15403799348464 |
| 20 | 126986224205129 |
| 21 | 1064498810334784 |
| 22 | 9068572636018981 |
| 23 | 78472353869487618 |
| 24 | 689421099954372488 |
| 25 | 6147113115698137860 |
[1,1,2,7,32,165,920,5451,33932,220127,1479568, 10259394,73148986,534912298,4003678718, 30621175937,238991734932,1901317053794, 15403799348464,126986224205129,1064498810334784, 9068572636018981,78472353869487618, 689421099954372488,6147113115698137860] |