163874816domain: NAppears in sequencesa(n) = 2*a(n-1) + 16*a(n-2) for n>1, a(0)=1, a(1)=1.at n=12A133356An even-powered type Binet p-adic triangular sequence: t(n,m)=((( 1 + sqrt(prime(n))))^(2*m) + (( 1 - sqrt(prime(n))))^(2*m))/2.at n=26A140896