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A037804 Number of i such that d(i) < d(i-1), where Sum_{i=0..m} d(i)*6^i is the base-6 representation of n. 2
0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,51
LINKS
MAPLE
A037804 := proc(n)
a := 0 ;
dgs := convert(n, base, 6);
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
Cf. A037821.
Sequence in context: A036602 A176166 A167911 * A316894 A362933 A081503
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 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)