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A071748 as a simple table

n a(n)
0 1
1 3
2 9
3 28
4 91
5 302
6 1021
7 3507
8 12209
9 42991
10 152866
11 548148
12 1979990
13 7198055
14 26316577
15 96701545
16 356941485
17 1322891115
18 4920919230
19 18366138480
20 68756266170
21 258118218960
22 971492416674
23 3665120443878
24 13857614540714

[1,3,9,28,91,302,1021,3507,12209,42991,152866,
 548148,1979990,7198055,26316577,96701545,
 356941485,1322891115,4920919230,18366138480,
 68756266170,258118218960,971492416674,
 3665120443878,13857614540714]

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Last modified May 5 14:41 EDT 2024. Contains 372275 sequences. (Running on oeis4.)