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A207980 as a simple table

n a(n)
1 15
2 1080
3 587208
4 953124784
5 3410310590912
6 22727131144960768
7 253335104721267417984
8 4382417290595586402531584
9 111319355727036703898865465344
10 3978834602846298450265688566196224
11 193442461762324413798952526604793292800

[15,1080,587208,953124784,3410310590912,
 22727131144960768,253335104721267417984,
 4382417290595586402531584,
 111319355727036703898865465344,
 3978834602846298450265688566196224,
 193442461762324413798952526604793292800]

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Last modified March 28 14:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)