%I #7 Feb 06 2022 06:52:02
%S 1,2,1,4,2,1,8,3,3,1,16,4,6,4,1,32,5,10,10,5,1,64,6,15,20,15,6,1,128,
%T 7,21,35,35,21,7,1,256,8,28,56,70,56,28,8,1,512,9,36,84,126,126,84,36,
%U 9,1,1024,10,45,120,210,252,210,120,45,10,1,2048,11,55,165,330,462,462,330
%N Inverse of number triangle A091917.
%C Essentially, Pascal's triangle A007318 with first column of 1's replaced by 2^n Row sums are A000225(n+1). Diagonal sums are A000225(n) + A000045(n).
%F Binomial transform of triangle A103451: (1; 1,1; 1,0,1; 1,0,0,1; ...). - _Gary W. Adamson_, Aug 08 2007
%Y Cf. A103451.
%K nonn,tabl
%O 0,2
%A _Paul Barry_, Feb 13 2004