202621

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 81.at n=5A031669
• Primes of the form 4n^3+9.at n=10A201121
• 3^n times the expected value of the shortest run of 0's in a length n word on alphabet {0,1,2}.at n=11A209243
• Prime numbersat n=18193