A085000 and related seqs

[all at abouthugo.de]

all at abouthugo.de schrieb am 30.09.2003, 23:22:01:
> 
> SeqFans,
> 
> %S A085000 1,10,412,40800,6839492,1865999570

[...]
 
> This is my last post to sci.math:
> (had planned to submit it as A088238, but only one non-zero term
> seems a little bit poor)
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xxxxx pressed Ctrl-v at the wrong place, correct see below xxxxxx

[...]

> How many different of these matrices have determinant 0?
> I had planned to submit it as A088238, but only one non-zero term
> seems a little bit poor :-(

[...]

Hugo


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