1,3
A003819 := proc(n) option remember; if n <= 2 then 1 else (A003819(n-1)^4+1)/A003819(n-2); fi; end;
Sequence in context: A060353 A002814 A122207 this_sequence A112969 A077452 A113918
Adjacent sequences: A003816 A003817 A003818 this_sequence A003820 A003821 A003822
nonn
Waldemar Pompe (pompe(AT)zodiac1.mimuw.edu.pl)
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