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Search: id:A073604
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| A073604 |
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Smallest multiple of (n+1)-st prime which is == 1 mod n-th prime. |
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+0
1
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| 3, 10, 21, 22, 78, 170, 171, 115, 116, 465, 962, 1148, 903, 517, 424, 531, 1830, 3417, 1207, 2628, 4819, 1660, 1246, 7566, 7373, 5253, 2782, 5886, 9266, 13335, 4192, 3014, 9591, 2086, 11325, 19782, 21353, 6847, 4844, 5191, 16290, 31133, 18528
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(5) = 78 which is 6*13 and 78 ==1 (mod 11)
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MATHEMATICA
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f[n_] := Block[{k = 1, p = Prime[n], q = Prime[n + 1]}, While[ Mod[k*q, p] != 1, k++ ]; k*q]; Table[f[n], {n, 1, 45}]
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CROSSREFS
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Sequence in context: A005997 A081205 A092305 this_sequence A004194 A097590 A014105
Adjacent sequences: A073601 A073602 A073603 this_sequence A073605 A073606 A073607
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 04 2002
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EXTENSIONS
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Edited by Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 05 2002
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