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A076781 as a simple table

na(n)
01
16
21296
310077696
42821109907456
528430288029929701376
610314424798490535546171949056
7134713546244127343440523266742756048896
863340286662973277706162286946811886609896461828096

[1,6,1296,10077696,2821109907456,
 28430288029929701376,
 10314424798490535546171949056,
 134713546244127343440523266742756048896,
 63340286662973277706162286946811886609896461828096\
 ]