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A258498 as a simple table

n a(n)
0 1
1 1
2 3
3 15
4 105
5 933
6 9988
7 124449
8 1761287
9 27813479
10 483482018
11 9153385959
12 187129080977
13 4102129113670
14 95861136747795
15 2376234441556411
16 62216635372018209
17 1714347701138957189
18 49553280367466054768
19 1498300016807379304877
20 47270249397381096576643

[1,1,3,15,105,933,9988,124449,1761287,27813479,
 483482018,9153385959,187129080977,4102129113670,
 95861136747795,2376234441556411,62216635372018209,
 1714347701138957189,49553280367466054768,
 1498300016807379304877,47270249397381096576643]

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Last modified April 23 10:07 EDT 2024. Contains 371905 sequences. (Running on oeis4.)