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A061425
Sum of digits = 8 times number of digits.
19
8, 79, 88, 97, 699, 789, 798, 879, 888, 897, 969, 978, 987, 996, 5999, 6899, 6989, 6998, 7799, 7889, 7898, 7979, 7988, 7997, 8699, 8789, 8798, 8879, 8888, 8897, 8969, 8978, 8987, 8996, 9599, 9689, 9698, 9779, 9788, 9797, 9869, 9878, 9887, 9896, 9959
OFFSET
1,1
LINKS
EXAMPLE
879 is a term as the arithmetic mean of the digits is (8+7+9)/3 = 8.
MAPLE
Q:= proc(n, t) option remember; local j, R;
if t > 9*n or t <= 0 then return [] fi;
R:= NULL;
for j from 0 to min(t, 9) do
R:= R, op(map(s -> 10*s+j, procname(n-1, t-j)))
od;
[R]
end proc;
for i from 0 to 9 do Q(1, i):= [i] od:
seq(op(sort(Q(d, 8*d))), d=1..4); # Robert Israel, Dec 07 2020
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Amarnath Murthy, May 03 2001
EXTENSIONS
More terms from Larry Reeves (larryr(AT)acm.org), May 16 2001
STATUS
approved