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A014888 n is equal to the number of 4s in all numbers <= n written in base 7. 0

%I #5 Mar 30 2012 17:28:13

%S 761729,761730,823543,1585272,1585273,1647086,2408815,2408816,2470629,

%T 3232358,3232359

%N n is equal to the number of 4s in all numbers <= n written in base 7.

%Y Cf. A014778, A014886.

%K nonn,base,fini,full

%O 1,1

%A _Olivier GĂ©rard_

%E List proved complete by _Hugo van der Sanden_ (cf. A014886).

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Last modified April 19 07:11 EDT 2024. Contains 371782 sequences. (Running on oeis4.)