login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A241672 Numbers k such that A035014(k) begins with a 4. 0

%I #19 Dec 20 2021 02:36:57

%S 1,2,6,11,15,17,18,20,21,22,23,25,26,29,33,40,43,45,48,49,50,52,54,57,

%T 58,60,62,66,70,73,74,75,77,78,79,80,81,86,88,90,91,94,95,98,101,103,

%U 107,108,110,112,115,117,118,120,123,124,126,127,128,129,131,136,138,139,140,143,144,145,146

%N Numbers k such that A035014(k) begins with a 4.

%C A023402(n) = 4 for numbers in the sequence, 3 for numbers not in the sequence.

%e 3 is not in the sequence because A035014(3) begins with a 3.

%Y Cf. A035014, A023402, A241687 (complement).

%K nonn,base

%O 1,2

%A _J. Lowell_, Apr 26 2014

%E More terms from _R. J. Mathar_, May 02 2014

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)