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A037832 Number of i such that d(i) >= d(i-1), where Sum_{i=0..m} d(i)*9^i is the base-9 representation of n. 2
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,81
LINKS
MAPLE
A037832 := proc(n)
a := 0 ;
dgs := convert(n, base, 9);
for i from 2 to nops(dgs) do
if op(i, dgs)>=op(i-1, dgs) then
a := a+1 ;
end if;
end do:
a ;
end proc: # R. J. Mathar, Oct 16 2015
CROSSREFS
Sequence in context: A144871 A066799 A238900 * A170977 A039737 A144382
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Sign in Name corrected by R. J. Mathar, Oct 16 2015
STATUS
approved

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Last modified March 28 15:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)