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A166865
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Triangle read by rows: R(n,k)=prime(k)^(prime(n)-2) mod n, 1<=k<=n.
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0
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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; internal format)
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OFFSET
| 1,4
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COMMENTS
| Row sums: 0, 1, 4, 7, 8, 17, 26, 27, 43, 59, 56, 71, …, .
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EXAMPLE
| Triangle begins:
0,
0, 1,
2, 0, 2,
0, 3, 1, 3,
2, 3, 0, 2, 1,
2, 3, 5, 1, 5, 1,
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MATHEMATICA
| t[n_, k_] := Mod[Prime@ k^(Prime@ n - 2), n]; Table[ t[n, k], {n, 12}, {k, n}] // Flatten
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CROSSREFS
| Cf. A000079, A177226.
Sequence in context: A025804 A042961 A029190 * A029189 A035432 A029224
Adjacent sequences: A166862 A166863 A166864 * A166866 A166867 A166868
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KEYWORD
| nonn,tabl
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AUTHOR
| Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Dec 16 2010
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