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A093871 a(n) is the n-th prime = -1 (mod n). 4
2, 5, 11, 19, 89, 41, 181, 127, 251, 199, 571, 227, 1013, 433, 599, 751, 2039, 593, 2089, 859, 1637, 1429, 4001, 1103, 4049, 2053, 3779, 2267, 6263, 1499, 6571, 3583, 5279, 3943, 6089, 2879, 11321, 4597, 7331, 4919, 15497, 3779, 15307, 6599, 8009, 7681 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Main diagonal of A093870.
LINKS
MAPLE
f:= proc(n) local p, count;
count:= 0;
for p from n-1 by n do
if isprime(p) then
count:= count+1;
if count = n then return p fi
fi
od;
end proc:
map(f, [$1..100]); # Robert Israel, Nov 08 2019
CROSSREFS
Sequence in context: A106015 A178316 A179632 * A033263 A139482 A038377
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Apr 20 2004
EXTENSIONS
Edited and extended by Franklin T. Adams-Watters, Aug 29 2006
STATUS
approved

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Last modified June 14 15:00 EDT 2024. Contains 373400 sequences. (Running on oeis4.)