470831

Properties

Appears in sequences

• Number of polynomials of height n: a(1)=1, a(2)=1, a(3)=4, a(n) = 2*a(n-1) + a(n-2) + 2 for n >= 4.at n=15A005409
• List of different primes in Pascal-like triangles with index of asymmetry y = 1 and index of obliquity z = 0 or z = 1.at n=28A141064
• Row sums of triangle in A152719.at n=28A238375
• Prime numbersat n=39295