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A147078 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 9
9 21
10 61
11 210
12 735
13 3592
14 21789
15 146171
16 1140039
17 10204453
18 104577719
19 1275721875
20 18485616051
21 314997048326
22 6290384717771
23 146342301648076

[1,1,1,1,1,1,3,9,21,61,210,735,3592,21789,146171,
 1140039,10204453,104577719,1275721875,18485616051,
 314997048326,6290384717771,146342301648076]

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Last modified May 14 07:57 EDT 2024. Contains 372530 sequences. (Running on oeis4.)