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A246620 as a simple table

n a(n)
0 1
1 30
2 4140
3 738192
4 146955276
5 31113230148
6 6851807953900
7 1550766110966400
8 358116337203378732
9 83984165552626389864
10 19937272615715693766528
11 4779986445560522545646400
12 1155414579663560935856564700
13 281212253617692376239817669056 

[1,30,4140,738192,146955276,31113230148,
 6851807953900,1550766110966400,358116337203378732,
 83984165552626389864,19937272615715693766528,
 4779986445560522545646400,
 1155414579663560935856564700,
 281212253617692376239817669056]

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Last modified April 19 02:00 EDT 2024. Contains 371782 sequences. (Running on oeis4.)