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%I A162349 #16 Feb 03 2024 10:16:51
%S A162349 3,9,9,27,9,27,27,81,9,27,27,81,27,81,81,243,9,27,27,81,27,81,81,243,
%T A162349 27,81,81,243,81,243,243,729,9,27,27,81,27,81,81,243,27,81,81,243,81,
%U A162349 243,243,729,27,81,81,243,81,243,243,729,81,243,243,729,243,729
%N A162349 First differences of A160412.
%C A162349 Note that if A048883 is written as a triangle then rows converge to this sequence. - _Omar E. Pol_, Nov 15 2009
%H A162349 Omar E. Pol, <a href="http://www.polprimos.com/imagenespub/polca029.jpg">Illustration of initial terms (Neighbors of the vertices)</a>.
%F A162349 a(n) = 3^A063787(n) = 3 * A048883(n-1). - _Amiram Eldar_, Feb 02 2024
%t A162349 a[n_] := 3^(1 + DigitCount[n - 1, 2, 1]); Array[a, 100] (* _Amiram Eldar_, Feb 02 2024 *)
%Y A162349 Cf. A063787, A152980, A160410, A160411, A160412, A160414, A160415, A160417, A160797.
%Y A162349 Cf. A048883, A161415. - _Omar E. Pol_, Nov 15 2009
%K A162349 nonn
%O A162349 1,1
%A A162349 _Omar E. Pol_, Jul 14 2009
%E A162349 More terms from _Omar E. Pol_, Nov 15 2009
%E A162349 More terms from _Colin Barker_, Apr 19 2015
%E A162349 More terms from _Amiram Eldar_, Feb 02 2024

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