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A286307 as a simple table

n a(n)
0 0
1 1
2 1
3 5
4 17
5 151
6 823
7 10631
8 15871
9 1344097
10 12731713
11 266731133
12 3061359593
13 15281334539
14 1030023060151
15 29833932429263
16 461929309281059
17 15229246883432833
18 53257613193371021
19 9845267571825141941
20 191853269052081088769
21 462422990938113014567
22 168922073145947967975799

[0,1,1,5,17,151,823,10631,15871,1344097,12731713,
 266731133,3061359593,15281334539,1030023060151,
 29833932429263,461929309281059,15229246883432833,
 53257613193371021,9845267571825141941,
 191853269052081088769,462422990938113014567,
 168922073145947967975799]

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Last modified May 9 19:33 EDT 2024. Contains 372354 sequences. (Running on oeis4.)