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Fractional part of cube root of a(n) starts with digit 7.
1

%I #9 Sep 03 2020 09:52:49

%S 5,20,21,51,52,53,54,104,105,106,107,108,109,110,186,187,188,189,190,

%T 191,192,193,194,195,301,302,303,304,305,306,307,308,309,310,311,312,

%U 313,314,457,458,459,460,461,462,463,464,465,466,467,468,469,470,471

%N Fractional part of cube root of a(n) starts with digit 7.

%Y Cf. A034133.

%K nonn,easy,base

%O 1,1

%A _Patrick De Geest_, Sep 15 1998