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A043496 Numbers having four 1's in base 10. 2

%I

%S 1111,10111,11011,11101,11110,11112,11113,11114,11115,11116,11117,

%T 11118,11119,11121,11131,11141,11151,11161,11171,11181,11191,11211,

%U 11311,11411,11511,11611,11711,11811,11911,12111,13111

%N Numbers having four 1's in base 10.

%H Daniel Starodubtsev, <a href="/A043496/b043496.txt">Table of n, a(n) for n = 1..10000</a>

%Y Subsequence of A011531.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified September 21 12:54 EDT 2021. Contains 347598 sequences. (Running on oeis4.)