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A137642
a(n) = ((p+1)^(p^2) - 1)/p^3 where p = prime(n).
2
10, 9709, 227442304239437611, 520133998799548061610162525309582775649689, 28625475946930159815792648419743565882735766383361881336675207769030472815497554882934618500487305220787275478803827031201317381, 22584369607535128530088608344394282118796031921761696815120424817179407960974433543597443656353115781613217726170809183176289639796122235605581762509509406198534210472574108288571227162377539
OFFSET
1,1
MATHEMATICA
Table[ ((Prime[n] + 1)^(Prime[n]^2) - 1)/Prime[n]^3, {n, 1, 10} ]
CROSSREFS
Cf. A137641 (((n-1)^(n^2) + 1)/n^3).
Cf. A133591 (((p-1)^(p^2) + 1)/p^3 where p = prime(n)).
Sequence in context: A208781 A125544 A137641 * A163019 A013746 A076782
KEYWORD
nonn
AUTHOR
Alexander Adamchuk, Jan 31 2008
STATUS
approved