OFFSET
2,2
COMMENTS
Related sequences type prime(n)^k mod prime(n-1) (k=1,2,3,4)
prime(n) mod prime(n-1) is given in A001223
prime(n)^2 mod prime(n-1) is given in A038702
prime(n)^3 mod prime(n-1) is given in A138672
prime(n)^4 mod prime(n-1) is given in A138673
prime(n)^5 mod prime(n-1) is given in A138674
prime(n)^6 mod prime(n-1) is given in A138675
prime(n)^7 mod prime(n-1) is given in A138676
prime(n)^8 mod prime(n-1) is given in A138677
prime(n)^9 mod prime(n-1) is given in A138678
prime(n)^10 mod prime(n-1) is given in A138679
prime(n)^11 mod prime(n-1) is given in A138680
prime(n)^12 mod prime(n-1) is given in A138681
LINKS
Harvey P. Dale, Table of n, a(n) for n = 2..1000
EXAMPLE
a(1)=1 because 3^9 = 1 mod 2
a(2)=2 because 5^9 = 2 mod 3
MATHEMATICA
Table[Mod[Prime[n]^9, Prime[n - 1]], {n, 2, 50}]
PowerMod[Last[#], 9, First[#]]&/@Partition[Prime[Range[50]], 2, 1] (* Harvey P. Dale, Aug 16 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Mar 26 2008
STATUS
approved