cp's OEIS Frontend

A110760 a(n) = number of divisors of the concatenation of n,n-1,...3,2,1,2,3,...,n-1,n.

%I A110760 #36 Mar 22 2023 10:52:45
%S A110760 1,6,8,4,32,28,8,16,8,8,8,16,2,16,64,6,4,8,16,384,16,256,4,12,24,64,
%T A110760 32,256,32,64,64,12,32,128,16,80,256,32,96,96,8,8,128,256,128,128,
%U A110760 1024,192,64,96,128,64,32,32,128
%N A110760 a(n) = number of divisors of the concatenation of n,n-1,...3,2,1,2,3,...,n-1,n.
%F A110760 a(n) = A000005(A007942(n)). - _Michel Marcus_, Mar 22 2023
%e A110760 a(3) = tau(32123) = 8.
%Y A110760 Cf. A000005, A007942, A110756, A110757, A110758, A110759.
%K A110760 base,more,nonn
%O A110760 1,2
%A A110760 _Amarnath Murthy_, Aug 11 2005
%E A110760 More terms from _Ryan Propper_, Jul 21 2006
%E A110760 Corrected and extended by _Tyler Busby_, Feb 12 2023
%E A110760 a(45)-a(55) from _Tyler Busby_, Feb 26 2023