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A155431 as a simple table

n a(n)
5 1
6 7
7 19
8 37
9 94
10 344
11 2238
12 14169
13 77290
14 503317
15 4355803
16 49651747
17 642476027
18 8840925123
19 141069431209
20 2761281750433

[1,7,19,37,94,344,2238,14169,77290,503317,4355803,
 49651747,642476027,8840925123,141069431209,
 2761281750433]

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Last modified August 12 15:02 EDT 2022. Contains 356077 sequences. (Running on oeis4.)