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The product of the n-th run of identical consecutive values of A123387.
0

%I #6 Jan 30 2019 06:19:45

%S 2,9,4,25,36,7,64,729,100,121,1728,2197,2744,3375,256,83521,5832,6859,

%T 160000,194481,234256,279841,331776,390625,456976,531441,17210368,

%U 20511149,729000000,923521,33554432,35937,1544804416,1838265625

%N The product of the n-th run of identical consecutive values of A123387.

%C a(n) = n only for 2,4,7?

%Y Cf. A123387.

%K easy,nonn

%O 1,1

%A _Giovanni Teofilatto_, Dec 11 2009

%E Extended beyond a(25) by _R. J. Mathar_, Jan 30 2010

%E Name clarified by _Jason Kimberley_, Jul 02 2018