90529

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 26.at n=14A031614
• Greatest number m such that the fractional part of (3/2)^A153664(n) >= 1-(1/m).at n=7A153668
• Primes of the form x^2 + 5*y^2, where x and y=x+1 are consecutive natural numbers.at n=27A176608
• Fibonacci sequence beginning 14, 13.at n=19A206564
• Triangle read by rows: T(n,k) is the number of simple connected graphs on n unlabeled nodes with cooling number k = 1..(1+floor(n/2)).at n=27A369280
• Prime numbersat n=8765