A262390 - OEIS

%I #9 Sep 22 2017 08:52:14

%S 1,10,11,12,13,14,15,16,17,18,19,100,101,102,103,104,105,106,107,108,

%T 109,110,1000,111,112,120,113,130,114,140,115,150,116,160,117,170,118,

%U 180,119,190,1001,121,1100,1002,122,123,1003,1101,1010,1004,1005,1006

%N Subsequence of terms starting with 1 in A262356.

%C A000030(a(n)) = 1;

%C A262356(A262393(n)) = a(n).

%H Reinhard Zumkeller, <a href="/A262390/b262390.txt">Table of n, a(n) for n = 1..1000</a>

%o (Haskell)

%o a262390 n = a262390_list !! (n-1)

%o a262390_list = filter ((== 1) . a000030) a262356_list

%Y Cf. A262356, A000030, A262393, A131835.

%K nonn,base

%O 1,2

%A _Reinhard Zumkeller_, Sep 21 2015

%E Typo in name corrected by _Andrey Zabolotskiy_, Sep 22 2017