119074

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 98.at n=0A031686
• a(n) is smallest difference d of an arithmetic progression dk+1 whose first prime occurs at the n-th position.at n=42A047980
• a(n) = A047980(2n+1).at n=21A047982