198997

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 99.at n=0A031687
• a(n) = floor(t^n), where t=3450844193^(1/9) (approximately 11.4754).at n=4A076255
• Primes with digit sum = 43.at n=8A106775
• a(n) = [x^n] x * Product_{j>=0} (1 + x^(2^j) + n*x^(2^(j+1))).at n=46A342643
• Prime numbersat n=17907