230189

Properties

Appears in sequences

• Primes of the form k^2 + (k+1)^2 + (k+2)^2 = 3*(k+1)^2+2.at n=32A027864
• Convoluted convolved Fibonacci numbers G_7^(r).at n=35A089113
• Sign twisted convoluted convolved Fibonacci numbers H_7^(r).at n=35A089114
• Primes of the form 3*p^2+2, where p is prime.at n=8A103565
• Numerators of the limit of coefficients of q in { [x^n] W(x,q) } when read backward from [q^(n*(n-1)/2)] to [q^(n*(n-1)/2 - (n-1))], where W satisfies: W(x,q) = exp( q*x*W(q*x,q) ).at n=31A126341
• a(n)=n for n<=3; thereafter a(n)=a(n-1)+a(n-2)+a(n-3)+1.at n=21A213967
• Primes of the form 3n^2 + 2.at n=33A257163
• Prime numbersat n=20453