86071

Appears in sequences

• Indices of primes in sequence defined by A(0) = 89, A(n) = 10*A(n-1) - 31 for n > 0.at n=19A101073
• G.f.: A(x) = 1/(1 - x*B(x^2)), where B(x) = Sum_{n>=0} a(n)^2*x^n is the g.f. of A121648.at n=21A121649
• A bisection of A121649; a(n) = A121649(2*n+1) = A121648(2*n+1)^(1/2).at n=10A121651
• Indices of record values in A350228.at n=29A350244