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 A166865 Triangle read by rows: R(n,k)=prime(k)^(prime(n)-2) mod n, 1<=k<=n. 0
 0, 0, 1, 2, 0, 2, 0, 3, 1, 3, 2, 3, 0, 2, 1, 2, 3, 5, 1, 5, 1, 1, 6, 6, 0, 1, 6, 6, 0, 3, 5, 7, 3, 5, 1, 3, 8, 0, 8, 1, 8, 1, 8, 1, 8, 8, 7, 5, 3, 1, 7, 3, 9, 7, 9, 6, 4, 9, 8, 0, 6, 2, 7, 1, 8, 5, 8, 3, 5, 7, 11, 1, 5, 7, 11, 5, 7, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS Row sums: 0, 1, 4, 7, 8, 17, 26, 27, 43, 59, 56, 71, …, . LINKS EXAMPLE Triangle begins: 0, 0, 1, 2, 0, 2, 0, 3, 1, 3, 2, 3, 0, 2, 1, 2, 3, 5, 1, 5, 1, MATHEMATICA t[n_, k_] := Mod[Prime@ k^(Prime@ n - 2), n]; Table[ t[n, k], {n, 12}, {k, n}] // Flatten CROSSREFS Cf. A000079, A177226. Sequence in context: A025804 A042961 A029190 * A300575 A029189 A035432 Adjacent sequences:  A166862 A166863 A166864 * A166866 A166867 A166868 KEYWORD nonn,tabl AUTHOR Juri-Stepan Gerasimov, Dec 16 2010 STATUS approved

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Last modified April 7 11:07 EDT 2020. Contains 333301 sequences. (Running on oeis4.)