Search: id:A152917
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%I A152917
%S A152917 0,1,2,9,64,625,7776,117649,2097152,43046721,1000000000,25937424601,
%T A152917 743008370688,23298085122481,793714773254144,29192926025390625,
%U A152917 1152921504606846976,48661191875666868481,2185911559738696531968
%N A152917 A000169 prefixed by an initial 0.
%C A152917 A variant of A000169, which is the main entry for this sequence. - N. 
               J. A. Sloane (njas(AT)research.att.com), Dec 19 2008
%C A152917 a(0) = 0
%C A152917 a(n) = n ^ (n - 1), n >= 1
%C A152917 n is a natural number.
%F A152917 a(n) = 0 if n = 0
%F A152917 a(n) = n ^ (n - 1), n >= 1
%e A152917 a(25) = 25 ^ 24
%o A152917 (Other) unsigned long Prevonential(unsigned int n)
%o A152917 {
%o A152917 if (n == 0)
%o A152917 return 0;
%o A152917 return pow(n, n - 1);
%o A152917 }
%Y A152917 Cf. A000169.
%Y A152917 Sequence in context: A036777 A000169 A055860 this_sequence A112319 A038038 
               A048801
%Y A152917 Adjacent sequences: A152914 A152915 A152916 this_sequence A152918 A152919 
               A152920
%K A152917 nonn
%O A152917 0,3
%A A152917 ShaoJun Ying (dolphinysj(AT)gmail.com), Dec 15 2008

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