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A254316 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 21
5 78
6 299
7 1172
8 4677
9 18947
10 77746
11 322545
12 1350906
13 5704822
14 24265651
15 103872254
16 447146683
17 1934538301
18 8407277728
19 36685185300
20 160663301053
21 705974374128
22 3111584887543
23 13752592535137
24 60939737103636
25 270672216346769
26 1204862348053296

[1,1,2,6,21,78,299,1172,4677,18947,77746,322545,
 1350906,5704822,24265651,103872254,447146683,
 1934538301,8407277728,36685185300,160663301053,
 705974374128,3111584887543,13752592535137,
 60939737103636,270672216346769,1204862348053296]

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Last modified May 13 03:04 EDT 2024. Contains 372497 sequences. (Running on oeis4.)