A215734 - OEIS

%I #14 Feb 15 2019 15:01:52

%S 1,8,8,7,4,2,8,5,5,7,5,7,4,1,5,7

%N a(n) is the first digit to appear n times in succession in a power of 5.

%Y Cf. A215728, A045875, A215732.

%K nonn,base,more

%O 1,2

%A _V. Raman_, Aug 22 2012

%E a(13)-a(14) from _Giovanni Resta_, Apr 19 2016

%E a(15)-a(16) from _Bert Dobbelaere_, Feb 13 2019