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A151714 When A151552 is written as a triangle the rows converge to this. 1


%S 1,1,2,2,2,3,4,3,2,3,4,4,5,7,7,4,2,3,4,4,5,7,7,5,5,7,8,9,12,14,11,5,2,

%T 3,4,4,5,7,7,5,5,7,8,9,12,14,11,6,5,7,8,9,12,14,12,10,12,15,17,21,26,

%U 25,16,6,2,3,4,4,5,7,7,5,5,7,8,9,12,14,11,6,5,7,8,9,12,14,12,10,12,15,17,21,26

%N When A151552 is written as a triangle the rows converge to this.

%F a(n)=A151553(n-1), n>0. [From _R. J. Mathar_, Jul 07 2009]

%e Contribution from _Omar E. Pol_, Jun 09 2009: (Start)

%e Triangle begings:

%e 1;

%e 1;

%e 2,2;

%e 2,3,4,3;

%e 2,3,4,4,5,7,7,4;

%e 2,3,4,4,5,7,7,5,5,7,8,9,12,14,11,5;

%e 2,3,4,4,5,7,7,5,5,7,8,9,12,14,11,6,5,7,8,9,12,14,12,10,12,15,17,21,26,25,16,6;

%e 2,3,4,4,5,7,7,5,5,7,8,9,12,14,11,6,5,7,8,9,12,14,12,10,12,15,17,21,26,...

%e (End)

%p G := 1 + x*(1+x)*mul( 1 + x^(2^n-1) + x^(2^n), n=1..20);

%Y Cf. A151552m A151553, A000079.

%K nonn

%O 0,3

%A _N. J. A. Sloane_, Jun 08 2009

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Last modified December 5 12:24 EST 2021. Contains 349557 sequences. (Running on oeis4.)