57818

Appears in sequences

• Decimal part of a(n)^(1/5) starts with a 'nine digits' anagram.at n=31A034280
• Numbers n such that 2*n^2 + 41 is a square.at n=11A133326
• Semiprimes that are sums of squares of two consecutive primes.at n=7A216432
• a(0) = 5, a(1) = 8; for n>1, a(n) = 2*a(n-1) + a(n-2).at n=11A277369
• a(n) = (3*n^4 - 4*n^3 + n^2 + 4*n + 4)/4.at n=17A366478