189255

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 29.at n=14A031707
• a(n) = 841*n^2 + 2*n.at n=14A158403
• Triangular array read by rows. The n-th row is the expansion of (1+x)(1+2x+4x^2)...(1+nx+(nx)^2+(nx)^3+...(nx)^n).at n=31A185588
• a(n) = binomial(n, 2) + 6*binomial(n, 4).at n=31A327319