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A323836 The "binary Pascal triangle" read by rows. 2

%I #10 Feb 05 2019 01:39:31

%S 1,1,0,1,10,0,1,110,100,0,1,1110,110100,1000,0,1,11110,1110110100,

%T 1101001000,10000,0,1,111110,111101110110100,11101101001101001000,

%U 110100100010000,100000,0,1,1111110,111110111101110110100,11110111011010011101101001101001000

%N The "binary Pascal triangle" read by rows.

%C Left edge is all 1's, right edge (after initial row) is all 0's; interior entries are concatenations of two numbers above them.

%H Rémy Sigrist, <a href="/A323836/b323836.txt">Rows n = 0..12, flattened</a>

%H J. Grytczuk, <a href="http://dx.doi.org/10.1016/j.disc.2003.10.022">Another variation on Conway's recursive sequence</a>, Discr. Math. 282 (2004), 149-161.

%e Triangle begins:

%e 1,

%e 1, 0,

%e 1, 10, 0,

%e 1, 110, 100, 0,

%e 1, 1110, 110100, 1000, 0,

%e 1, 11110, 1110110100, 1101001000, 10000, 0,

%e 1, 111110, 111101110110100, 11101101001101001000, 110100100010000, 100000, 0,

%e ...

%Y Cf. A007318, A323837.

%K nonn,tabl

%O 0,5

%A _N. J. A. Sloane_, Feb 04 2019

%E More terms from _Rémy Sigrist_, Feb 05 2019

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)