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A144936 Primes of form p = (n^1)-1+(n^2)-2+(n^3)-3+(n^4)-4+(n^5)-5+(n^6)-6+(n^7)-7. 1
3251, 5380811, 21435859, 3559590211, 43950269291, 1197301738651, 4978825201387, 7555858447451, 44733963701131, 108285670562779, 302711489293211, 912484779174091, 2585353346765411, 4300509998893139 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

lst={}; Do[p=(n^1)-1+(n^2)-2+(n^3)-3+(n^4)-4+(n^5)-5+(n^6)-6+(n^7)-7; If[PrimeQ[p], AppendTo[lst, p]], {n, 6!}]; lst

Select[Table[Total[n^Range[7]]-28, {n, 200}], PrimeQ] (* Harvey P. Dale, Jun 08 2022 *)

CROSSREFS

Sequence in context: A106723 A270799 A031735 * A164077 A183656 A043606

Adjacent sequences: A144933 A144934 A144935 * A144937 A144938 A144939

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Sep 25 2008

STATUS

approved

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Last modified November 27 09:57 EST 2022. Contains 358367 sequences. (Running on oeis4.)