139812

Appears in sequences

• Triangle, read by rows, where T(n,k) = [(I + D*C)^n](n,k); that is, row n of T = row n of (I + D*C)^n for n>=0 where C denotes Pascal's triangle, I the identity matrix and D a matrix where D(n+1,n)=1 and zeros elsewhere.at n=37A134090
• Column 1 of triangle A134090.at n=7A134091
• Number of distinct residues x^4 (mod 2^n), x=0..2^n-1.at n=21A364811