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A043737 Numbers n such that number of runs in the base 2 representation of n is congruent to 4 mod 6. 1
10, 18, 20, 22, 26, 34, 36, 38, 40, 44, 46, 50, 52, 54, 58, 66, 68, 70, 72, 76, 78, 80, 88, 92, 94, 98, 100, 102, 104, 108, 110, 114, 116, 118, 122, 130, 132, 134, 136, 140, 142, 144, 152, 156, 158, 160, 176, 184, 188, 190, 194, 196 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The following numbers are in this sequence but not in A043758: 682, 1194, 1322, 1354, 1362, 1364, 1366, 1370, 1386, 1450, 1706, 2218, 2346,...

The following numbers are in A043758 but not in this sequence: 5461, 9557, 10581, 10837, 10901, 10917,... - R. J. Mathar, Feb 16 2013

LINKS

Table of n, a(n) for n=1..52.

MAPLE

A043737 := proc(n)

        option remember;

        if n = 1 then

                10;

        else

                for a from procname(n-1)+1 do

                        if modp(A005811(a), 6) = 4 then

                                return a;

                        end if;

                end do:

        end if;

end proc: # R. J. Mathar, Feb 16 2013

CROSSREFS

Cf. A005811.

Sequence in context: A043724 A043571 A043732 * A043743 A043750 A043758

Adjacent sequences:  A043734 A043735 A043736 * A043738 A043739 A043740

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified March 4 05:42 EST 2021. Contains 341779 sequences. (Running on oeis4.)