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 A229522 Final digit (in decimal system) of (n^n)^n, i.e., (n^n)^n mod 10. 1
 1, 6, 3, 6, 5, 6, 7, 6, 9, 0, 1, 6, 3, 6, 5, 6, 7, 6, 9, 0, 1, 6, 3, 6, 5, 6, 7, 6, 9, 0, 1, 6, 3, 6, 5, 6, 7, 6, 9, 0, 1, 6, 3, 6, 5, 6, 7, 6, 9, 0, 1, 6, 3, 6, 5, 6, 7, 6, 9, 0, 1, 6, 3, 6, 5, 6, 7, 6, 9, 0, 1, 6, 3, 6, 5, 6, 7, 6, 9, 0, 1, 6, 3, 6, 5, 6 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Periodic sequence with period length 10. LINKS Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 1). MATHEMATICA Table[PowerMod[n^n, n, 10], {n, 200}] PROG (PARI) a(n)=n%=10; lift(Mod(n, 10)^n^n) \\ Charles R Greathouse IV, Dec 27 2013 CROSSREFS Cf. A002489, A120962. Sequence in context: A043296 A199186 A176715 * A227400 A137245 A060294 Adjacent sequences: A229519 A229520 A229521 * A229523 A229524 A229525 KEYWORD nonn,base,easy AUTHOR José María Grau Ribas, Sep 25 2013 STATUS approved

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Last modified January 31 14:20 EST 2023. Contains 359975 sequences. (Running on oeis4.)