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A317802 as a simple table

n a(n)
0 1
1 3
2 12
3 127
4 2445
5 66939
6 2324026
7 96491718
8 4631150520
9 251413638241
10 15206137508067
11 1013223645173301
12 73729926406815893
13 5817609547850902791
14 494790115210979151063
15 45129281235546080750387
16 4394695321061357601501585
17 455127430187799524613334185
18 49952816657399856543050669882
19 5792366218971732073257841216098
20 707622192835283858272032714820854

[1,3,12,127,2445,66939,2324026,96491718,
 4631150520,251413638241,15206137508067,
 1013223645173301,73729926406815893,
 5817609547850902791,494790115210979151063,
 45129281235546080750387,4394695321061357601501585,
 455127430187799524613334185,
 49952816657399856543050669882,
 5792366218971732073257841216098,
 707622192835283858272032714820854]

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Last modified April 23 05:59 EDT 2024. Contains 371906 sequences. (Running on oeis4.)