cp's OEIS Frontend

A132207 Triangle read by rows: row n lists first 2*4^n terms of an array read by rows, in which row k gives 2*4^n + 3*k - 1; 5*4^n + 3*k - 1, with k>=0 in each array.

%I A132207 #9 Apr 10 2013 12:22:32
%S A132207 1,4,7,19,10,22,13,25,16,28,31,79,34,82,37,85,40,88,43,91,46,94,49,97,
%T A132207 52,100,55,103,58,106,61,109,64,112,67,115,70,118,73,121,76,124,127,
%U A132207 319,130,322,133,325,136,328,139,331,142,334,145,337,148,340,151,343,154
%N A132207 Triangle read by rows: row n lists first 2*4^n terms of an array read by rows, in which row k gives 2*4^n + 3*k - 1; 5*4^n + 3*k - 1, with k>=0 in each array.
%e A132207 Contribution from _Omar E. Pol_, Jan 06 2009: (Start)
%e A132207 Triangle begins:
%e A132207 1,4;
%e A132207 7,19,10,22,13,25,16,28;
%e A132207 31,79,34,82,37,85,40,88,43,91,......,76,124;
%e A132207 127,319,130,322,133,325,136,328,139,331,142,334,145,337,......,316,508;
%e A132207 ...
%e A132207 Array, in row 0, is
%e A132207 1, 4
%e A132207 ...
%e A132207 Array, in row 1, is
%e A132207 7, 19
%e A132207 10, 22
%e A132207 13, 25
%e A132207 16, 28
%e A132207 ...
%e A132207 Array, in row 2, begins:
%e A132207 31, 79
%e A132207 34, 82
%e A132207 37, 85
%e A132207 40, 88
%e A132207 And so on.
%e A132207 (End)
%Y A132207 Cf. A000302, A016777, A083420. [From _Omar E. Pol_, Jan 06 2009]
%K A132207 nonn,tabf
%O A132207 0,2
%A A132207 _Paul Curtz_, Nov 06 2007
%E A132207 Edited with better definition by _Omar E. Pol_, Jan 04 2009