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A178087 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 25
5 141
6 1071
7 11011
8 154739
9 3005187
10 81434048
11 3101253384
12 166823865867
13 12719913809811
14 1378095292930494
15 212524751143894194
16 46713381928627546015
17 14648866052370410611923
18 6558913185973371123604314
19 4195585528812861561212654010

[1,1,2,6,25,141,1071,11011,154739,3005187,
 81434048,3101253384,166823865867,12719913809811,
 1378095292930494,212524751143894194,
 46713381928627546015,14648866052370410611923,
 6558913185973371123604314,
 4195585528812861561212654010]

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Last modified July 4 03:54 EDT 2022. Contains 355063 sequences. (Running on oeis4.)