%I #10 Mar 17 2023 14:42:35
%S 4,17,26,35,44,53,62,71,80,129,138,147,156,165,174,183,192,219,228,
%T 237,246,255,264,273,282,291,309,318,327,336,345,354,363,372,381,390,
%U 408,417,426,435,444,453,462,471,480,507,516,525,534,543,552,561,570,606
%N Sum of digits = 4 times number of digits.
%e 147 is a term as the arithmetic mean of the digits is (1+4+7)/3 = 4.
%o (Magma) [ n: n in [1..610] | &+Intseq(n) eq 4*#Intseq(n) ]; // _Bruno Berselli_, Jun 30 2011
%Y Cf. A061383, A061384, A061385, A061386, A061388, A061423, A061424, A061425.
%K nonn,base,easy
%O 1,1
%A _Amarnath Murthy_, May 03 2001
%E More terms from Larry Reeves (larryr(AT)acm.org), May 16 2001
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