Uprość równanie:
a*(a+1)*(a+2)*(a+3)+1=b^2
a(a^2+2a+a+2)+1=b^2
a^3+2a^2+a^2+2a+1=b^2
a^3+3a^2+2a-b^2=-1
(a^2+a)*(a^2+3a+2a+6)+1=b^2
(a^2+a)*(a^2+5a+6)+1=b^2
a^4+5a^3+6a^2+a^3+5a^2+6a+1=b^2
a^4+6a^3+11a^2+6a+1=b^2
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a(a^2+2a+a+2)+1=b^2
a^3+2a^2+a^2+2a+1=b^2
a^3+3a^2+2a-b^2=-1
(a^2+a)*(a^2+3a+2a+6)+1=b^2
(a^2+a)*(a^2+5a+6)+1=b^2
a^4+5a^3+6a^2+a^3+5a^2+6a+1=b^2
a^4+6a^3+11a^2+6a+1=b^2