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Numbers k such that A003313(k) = A003313(10*k).
8

%I #13 Sep 12 2024 01:39:46

%S 432541,838861,865082,1468007,1677722,1730164,1887437,2516583,2726299,

%T 2936014,3355444,3460301,3460328,3774874,5033165,5033166,5452598,

%U 5872027,5872028,6710888,6920602,6920605,6920656,7130317,7549748,7549749,10066330

%N Numbers k such that A003313(k) = A003313(10*k).

%C The sequence is based on data computed by _Neill M. Clift_.

%H Hugo Pfoertner, <a href="/A117151/b117151.txt">Table of n, a(n) for n = 1..276</a>

%Y Cf. A115016, A003313 [l(k)], A086878 [l(k)=l(2*k)], A116459 [l(k)=l(3*k)], A261986 [l(k)=l(4*k)], A116460 [l(k)=l(5*k)], A116461 [l(k)=l(6*k)], A116462 [l(k)=l(7*k)], A116463[l(k)=l(9*k)].

%K nonn

%O 1,1

%A _Hugo Pfoertner_, Mar 07 2006

%E More terms from _Hugo Pfoertner_, Sep 07 2015