31341961

Appears in sequences

• a(n) = 2*a(n-1) + 11*a(n-2) for n > 1, a(0) = a(1) = 1.at n=12A090042
• A gap prime-type triangular sequence of coefficients: gap(n)=Prime[n+1]-Prime[n]; t(n,m)=If[n == m == 0, 1, If[m == 0, ((Prime[n] + gap[n])^ n + (Prime[n] - gap[n])^n)/2, ((Prime[n] + gap[n]*Sqrt[Prime[m]])^n + (Prime[n] - gap[n]*Sqrt[Prime[m]])^n)/2]].at n=23A141575