OFFSET
0,1
COMMENTS
Data generated using calculator (first 15 terms) and MATLAB (next 85 terms). Conjecture: There exists a pair of 10-adic integers satisfying x^n + 1 = y and y^n + 1 = x iff n == 3, 7, or 15 (mod 20).
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..5000
EXAMPLE
603097394847873^7 + 1 == 480203107738498 (mod 10^15) and 480203107738498^7 + 1 == 603097394847873 (mod 10^15).
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick A. Thomas, Sep 01 2018
EXTENSIONS
Offset changed to 0 by Seiichi Manyama, Sep 20 2018
STATUS
approved