The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS"). Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified December 3 05:29 EST 2020. Contains 338899 sequences. (Running on oeis4.)