Search: id:A053729
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%I A053729
%S A053729 1,8,70,728,9027,132136,2254620,44262200,987183525,24718587592,
%T A053729 687457908306,21034757596184,702270963692039,25400848001674856,
%U A053729 989240042333246072,41263578858484555512,1835070614332428285513
%N A053729 Self-convolution of 1,4,27,256,3125,46656,... (cf. A000312).
%H A053729 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%F A053729 Sum{k=1 to n} [k^k*(n+1-k)^(n+1-k)].
%e A053729 a(4)= 1^1 *4^4 +2^2 *3^3 +3^3 *2^2 +4^4 *1^1= 1*256 +4*27 +27*4 +256*1= 
               728
%Y A053729 Sequence in context: A152263 A142986 A123511 this_sequence A020532 A043086 
               A003364
%Y A053729 Adjacent sequences: A053726 A053727 A053728 this_sequence A053730 A053731 
               A053732
%K A053729 nonn,easy
%O A053729 1,2
%A A053729 Leroy Quet Feb 11 2000
%E A053729 More terms from James A. Sellers (sellersj(AT)math.psu.edu), Feb 22 2000

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