211231

Properties

Appears in sequences

• Describe the previous term! (method B - initial term is 2).at n=4A022470
• Numerators of continued fraction convergents to sqrt(514).at n=7A041982
• Number of step shifted (decimated) sequence structures using exactly four different symbols.at n=12A056398
• Number of primitive (aperiodic) step shifted (decimated) sequence structures using exactly four different symbols.at n=12A056408
• Primes whose digits add to 10 and which have a 3 in the tens place.at n=31A227825
• a(n) = n^2 + (1/n) * Sum_{k=1..n-1} binomial(n,k) * k * a(k) * (n-k)^2.at n=6A336183
• Prime numbersat n=18913