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May
26
awarded  Excavator
May
26
revised Exists a binary primitive pentanomial of degree $n$, for every $n\ge5$?
Replaced dead link to A132451
May
26
suggested approved edit on Exists a binary primitive pentanomial of degree $n$, for every $n\ge5$?
May
26
revised $n!+1$ being a perfect square
Replaced dead link to OEIS A025494
May
26
awarded  Editor
May
26
suggested approved edit on $n!+1$ being a perfect square
May
26
revised $n!+1$ being a perfect square
Replaced dead link to A085692
May
26
suggested approved edit on $n!+1$ being a perfect square
Apr
22
answered Backus-Naur Form with automata
Mar
25
awarded  Quorum
Dec
5
awarded  Supporter
Dec
3
awarded  Autobiographer