login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A098654
Records in A007535.
3
4, 341, 451, 481, 671, 703, 1105, 1111, 1333, 1729, 2465, 3277, 3281, 3721, 3775, 4681, 4753, 5461, 5611, 5963, 6031, 6601, 6981, 7107, 8149, 8695, 8911, 9005, 9637, 12673, 14701, 14981, 15841, 18721, 22177, 23001, 24211, 28939, 29089, 29341, 29503, 29891, 31621
OFFSET
1,1
LINKS
MATHEMATICA
f[n_] := Block[{k = n + 1}, While[ PrimeQ[k] || PowerMod[n, k - 1, k] != 1, k++ ]; k]; a = {1}; b = {4}; Do[ c = f[n]; If[c > b[[ -1]], AppendTo[a, n]; AppendTo[b, c]; Print[{n, c}]], {n, 2, 10^6}]; b
CROSSREFS
Sequence in context: A090086 A007535 A000783 * A317058 A317357 A069884
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Sep 19 2004
EXTENSIONS
Name corrected by Jinyuan Wang, Jul 24 2021
STATUS
approved