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%I #9 Jan 09 2015 12:58:30
%S 4,8,20,34,55,86,131,181,241,308,386,481,589,719,866,1033,1207,1391,
%T 1589,1810,2041,2279,2537,2812,3100,3392,3701,4021,4348,4694,5063,
%U 5446,5848,6275,6722,7186,7672,8180,8705,9250,9811,10391,10985,11602,12229
%N Similar to A072921 but starting with 4.
%H Alois P. Heinz, <a href="/A152233/b152233.txt">Table of n, a(n) for n = 1..1000</a>
%p b:= proc(n) option remember; local m; m:= a(n); `if`(n=1, 0, b(n-1)); while m>0 do %+ irem(m, 10, 'm') od; % end: a:= proc(n) option remember; `if`(n=1, 4, a(n-1) +b(n-1)) end: seq(a(n), n=1..50); # _Alois P. Heinz_, Oct 07 2009
%K nonn,base,easy
%O 1,1
%A _N. J. A. Sloane_, Oct 07 2009
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