49909

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 17.at n=27A031605
• Antidiagonal sums of triangle A118032, where the row sums of the matrix square of A118032 forms a bisection of this sequence.at n=19A118037
• Row sums of triangle A118045; also equals a bisection of A118037, which is the antidiagonal sums of triangle A118032.at n=9A118049
• A006005 (shifted) convolved with all of its regularly "aerated" variants.at n=17A161993