26449

Properties

Appears in sequences

• a(n) = a(n-1) + a(n-2) + 1, with a(0) = 1 and a(1) = 8.at n=18A022322
• Denominators of continued fraction convergents to sqrt(574).at n=6A042101
• T(n,n+2), array T as in A047089.at n=8A047096
• Partial sums of A001159: Sum_{j=1..n} sigma_4(j).at n=9A064604
• Shallow diagonal of triangular spiral in A051682.at n=38A081275
• Third row of Pascal-(1,7,1) array A081582.at n=29A081593
• a(n) = n^3 + 71*n + 1.at n=29A124363
• Primes p such that their cubes are pandigital.at n=28A124629
• a(n) is n-th prime == 1 (mod 6n).at n=37A138906
• a(n) = 50*n^2 - 1.at n=22A157919
• Least prime p = 1 (mod n) which divides Fibonacci((p-1)/n).at n=28A168171
• G.f. satisfies A(x/(1-x)) = x*(1-sqrt(1-4*A(x)))/(2*A(x)).at n=12A201778
• Centered 16-gonal (or hexadecagonal) primes.at n=24A264823
• Prime numbers p such that all prime factors of p+1 and p-1 are smaller than the cube root of p.at n=10A283791
• Primes in A301916 but not in A045318.at n=26A320481
• Primes p such that p=prime(k), prime(k+1), and prime(k+2) end in the same digit.at n=24A328452
• a(n) = sum_of_digits(a(n-1)^a(n-2)) where a(1)=1 and a(2)=2.at n=12A338917
• Primes p such that A001414(p+1) = A001414(p-1) - 1.at n=10A342823
• Primes p such that, if q is the next prime, p + q^2 is a prime times a power of 10.at n=24A352837
• Primes having only {2, 4, 6, 9} as digits.at n=33A386156