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A361028 as a simple table

n a(n)
0 2
1 3
2 20
3 210
4 2772
5 42042
6 700128
7 12471030
8 233716340
9 4557468630
10 91752013080
11 1896208270320
12 40055997189600
13 862021408906800
14 18849534808095360
15 417929529573239310
16 9379553386892837940
17 212776905535994934750
18 4873239487455972633000
19 112571832160232967822300

[2,3,20,210,2772,42042,700128,12471030,233716340,
 4557468630,91752013080,1896208270320,
 40055997189600,862021408906800,18849534808095360,
 417929529573239310,9379553386892837940,
 212776905535994934750,4873239487455972633000,
 112571832160232967822300]

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Last modified June 11 16:59 EDT 2024. Contains 373315 sequences. (Running on oeis4.)