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Portable Network Graphic  |  1998-03-12  |  11.7 KB  |  407x341  |  8-bit (70 colors)
   ocr: 2,4,6,8,10 1,2,3,..,99 -S Sg9 1t2+3+"+99 = 4950 ,10,15,20,.. 111111 1. 1 2'4'816'3264128 - - - 11111 - 1 1 s 248'16'3264'128 - Roll the cursor over the sequence to see its sum. Sums of Geometric Series