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 A081243 a(n) = Mod[n+(Mod[Prime[n],3]-1),10] 0
 2, 1, 4, 4, 6, 6, 8, 8, 0, 1, 1, 2, 4, 4, 6, 7, 8, 8, 9, 1, 1, 2, 4, 5, 5, 7, 7, 9, 9, 1, 1, 3, 4, 4, 6, 6, 7, 8, 0, 1, 2, 2, 4, 4, 6, 6, 7, 8, 0, 0, 2, 3, 3, 5, 6, 7, 8, 8, 9, 1, 1, 3, 3, 5, 5, 7, 7, 8, 0, 0, 2, 3, 3, 4, 5, 7, 8, 8, 0, 0, 2, 2, 4, 4, 5, 7, 8, 8, 0, 0, 2, 3, 3, 5, 5, 7, 8, 9, 9, 0, 1, 3, 4, 5, 5 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Modulo 10 integer cycle on symbols {1,2,3,4,5,6,7,8,9,0} coded with the primes modulo 3. The function : f[n_]=Mod[Prime[n],3]-1 is binary except for n=2. LINKS Table of n, a(n) for n=1..105. MATHEMATICA digits=200 a=Table[Mod[n+(Mod[Prime[n], 3]-1), 10], {n, 1, digits}] CROSSREFS Sequence in context: A108755 A093049 A326146 * A261297 A308034 A289918 Adjacent sequences: A081240 A081241 A081242 * A081244 A081245 A081246 KEYWORD nonn AUTHOR Roger L. Bagula, Jan 17 2004 STATUS approved

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Last modified July 14 00:54 EDT 2024. Contains 374290 sequences. (Running on oeis4.)