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 A037811 Number of i such that d(i)<=d(i-1), where Sum{d(i)*4^i: i=0,1,...,m} is the base 4 representation of n. 2
 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 1, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 2, 2, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,21 LINKS MAPLE A037811 := proc(n)     a := 0 ;     dgs := convert(n, base, 4);     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. A037827. Sequence in context: A297828 A062245 A062246 * A091237 A143477 A214774 Adjacent sequences:  A037808 A037809 A037810 * A037812 A037813 A037814 KEYWORD nonn,base AUTHOR EXTENSIONS Sign in name corrected. - R. J. Mathar, Oct 16 2015 STATUS approved

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Last modified October 18 15:41 EDT 2019. Contains 328162 sequences. (Running on oeis4.)