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 A104127 (1+prime(n))^prime(n). 2
 9, 64, 7776, 2097152, 743008370688, 793714773254144, 2185911559738696531968, 5242880000000000000000000, 55572324035428505185378394701824, 6863037736488300000000000000000000000000000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Sum of reciprocals rapidly converges to 0.1268651887726617214821302614.. LINKS PROG (PARI) ptopp1(n) = { local(x, z, sr=0); forprime(x=1, n, z=(x+1)^x; sr+=1./z; print1(z", "); ); print(); print(sr) } (Maxima) A104127(n) := block(         return((1+A000040(n))^A000040(n))   )\$   for n : 1 thru 20 do printf(true, "~d, ", A104127(n)) ; /* R. J. Mathar, Feb 27 2012 */ CROSSREFS Sequence in context: A064546 A217872 A067961 * A043426 A038484 A043021 Adjacent sequences:  A104124 A104125 A104126 * A104128 A104129 A104130 KEYWORD easy,nonn AUTHOR Cino Hilliard (hillcino368(AT)gmail.com), Mar 06 2005 EXTENSIONS Definition (which equaled A078422) corrected and dummy variables in PARI program removed by R. J. Mathar, Oct 23 2009 STATUS approved

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