105626

Appears in sequences

• Number of sequences {c(i), i=0..n} that form the initial terms of a self-convolution square of an integer sequence such that 0 < c(n) <= 2*c(n-1) for n>0 with c(0)=1.at n=8A132852
• Central coefficients of number triangle A113582.at n=25A154323
• a(n) = (n^2+1)^2+1.at n=18A178390