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 A138964 a(n) = 8^n mod 6^n. 0
 0, 2, 28, 80, 208, 1664, 28864, 137600, 1660672, 3207680, 45816832, 245602304, 1239224320, 1206665216, 9653321728, 390683230208, 2185095872512, 554107535360, 38286179172352, 306289433378816, 1231595987009536, 9852767896076288, 78822143168610304, 367333737664348160 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS MATHEMATICA Table[PowerMod[8, n, 6^n], {n, 0, 30}]  (* Harvey P. Dale, Apr 20 2011 *) PROG (Sage) [power_mod(8, n, 6^n)for n in xrange(0, 24)] # Zerinvary Lajos, Nov 28 2009 (PARI) a(n) = if (n, lift(Mod(8, 6^n)^n), 0); \\ Michel Marcus, Feb 20 2018 CROSSREFS Cf. A000400, A001018. Sequence in context: A245801 A296245 A156471 * A200040 A281201 A051958 Adjacent sequences:  A138961 A138962 A138963 * A138965 A138966 A138967 KEYWORD nonn AUTHOR N. J. A. Sloane, May 20 2008 STATUS approved

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Last modified July 20 11:28 EDT 2019. Contains 325180 sequences. (Running on oeis4.)