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OT's avatar
OT 7 months ago
Like a pyramid
111,111,111,111 * 111,111,111,111 = 12,345,679,009,876,543,21 If more than 18 digits , than center gets populated with zeros ?..
The mirrored sequence appears to break in the results after 11 '1s'. 11,111,111,111^2 = 123,456,790,120,987,654,321