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%I #6 Jun 30 2013 13:04:01
%S 21,81,208,464,976,2000,4048
%N If an array is made of columns of -nacci sequences, fibo-, tribo- etc. all starting w. 1,1,2 etc, the NW to SE diagonals can be extended by computation. The above is diagonal 7. See A159741 for details.
%F Interpolate a(n)=2*n+60 offset 0 & b(n)=-2*n+67 offset 0. Add 21 as a leader. Binomially transform. [From Al Hakanson (hawkuu(AT)gmail.com), Jun 08 2009]
%K nonn,more
%O 1,1
%A Al Hakanson (hawkuu(AT)gmail.com), Apr 20 2009