>>195

y2=8^x2+1→1000^x2+1
y3=9^x3-1→1001^x3-1

こっちはくそシンプルです

1001*1001=1001^2
+1001*1000
+0001001*1
=1010001

1001^3=
+1010001*1000
+0001010001*1
=1011011001

1001^4=
+1011011001*1000
+0001011011001*1
=1012022012001
=1100110100001

1001^5=
+1100110100001*1000
+0001100110100001*1
=1101210210101001
=1110011010101001

1001^6=
+1110011010101001*1000
+0001110011010101001*1
=1111121021111102001
=2000001101111110001
=10000001101111110001

1001^8=
=1100110100001^2

なんでいままで気がつかなかったと思うほど