Triangle of octanomial coefficients read by rows: n-th row is obtained by expanding ((1+x)*(1+x^2)*(1+x^4))^n mod 2 and converting to decimal.
A177897
Triangle of octanomial coefficients read by rows: n-th row is obtained by expanding ((1+x)*(1+x^2)*(1+x^4))^n mod 2 and converting to decimal.
Terms
- a(0) =1a(1) =255a(2) =21845a(3) =3342387a(4) =286331153a(5) =64424509455
External references
- oeis: A177897