OFFSET
1,2
FORMULA
EXAMPLE
a(1) = 2^3 - 3^2 = -1. a(2) = 3^4 - 4^3 = 17. a(3) = 5^6 - 6^5 = 7849.
MATHEMATICA
Array[Prime[ # ]^(Prime[ # ]+1)-(Prime[ # ]+1)^Prime[ # ]&, 16]
CROSSREFS
KEYWORD
sign
AUTHOR
Vladimir Joseph Stephan Orlovsky, Oct 11 2009
EXTENSIONS
Keyword:sign set by R. J. Mathar, Oct 14 2009
STATUS
approved