# This is the b253917.txt text file. # A253917: Numbers that can be represented as both x^y + x and b^c + b + c, for some b, c, x, y > 1. # Dated 22 January 2015. 1 72 2 738 3 2758 4 16777232 5 1073741856 6 282429536508 7 95367431640650 8 150094635296999148 9 221073919720733357899812 10 311973482284542371301330321821976098 11 1329227995784915872903807060280344640 12 85070591730234615865843651857942052992 13 374144419156711147060143317175368453031918731001920 14 6277101735386680763835789423207666416102355444464034512960 15 507528786056415600719754159741696356908742250191663887263627442114962 16 752316384526264005099991383822237233803945956334136013765601092018187046051025390750 17 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 # This is the end of the b text file.