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Integers equal to ((sqrt(A177926(k)/400)/4)/600)/36 for some k.
2

%I #13 Feb 18 2019 11:56:02

%S 12108096,3705077376,650463384130560,176440014242889965568000,

%T 153502812391314270044160000,215273915966378019368055236198400000,

%U 472173196324014892561117632868122624000000,813082244069953644990244563798907158528000000

%N Integers equal to ((sqrt(A177926(k)/400)/4)/600)/36 for some k.

%F a(n) = A177771(n+6)/1728000. - _R. J. Mathar_, May 24 2010

%p A177771 := proc(n) factorial(ithprime(n)-1) ; end proc:

%p A178056 := proc(n) A177771(n+6)/1728000 ; end proc: seq(A178056(n),n=1..10) ; # _R. J. Mathar_, May 24 2010

%Y Cf. A177771, A177926.

%K easy,nonn

%O 1,1

%A _Giovanni Teofilatto_, May 19 2010