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A225115 as a simple table

n a(n)
1 3
2 15
3 120
4 528
5 4095
6 139128
7 160554240
8 812293020528
9 379188080252621270252095320

[3,15,120,528,4095,139128,160554240,812293020528,
 379188080252621270252095320]

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Last modified August 4 17:08 EDT 2024. Contains 374923 sequences. (Running on oeis4.)