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Natural numbers n for which sum of decimal digits is greater than n/4.
1

%I #11 Oct 15 2013 22:32:22

%S 1,2,3,4,5,6,7,8,9,13,14,15,16,17,18,19,25,26,27,28,29,37,38,39,49

%N Natural numbers n for which sum of decimal digits is greater than n/4.

%C The largest term is 49, since 4 + 9 > 49/4 = 12.25.

%e 13 is in the sequence because 1 + 3 = 4, and that is greater than 13/4 = 3.25.

%e 12 is not in the sequence because 1 + 2 = 3 and 12/4 = 3.

%t Select[Range[50], Total[IntegerDigits[#]] > #/4 &] (* _Harvey P. Dale_, Jan 06 2013 *)

%Y Cf. A092596-A092600.

%K base,nonn,fini,full

%O 1,2

%A _Labos Elemer_, Mar 18 2004

%E Definition corrected by _Harvey P. Dale_, Jan 06 2013