31283

Appears in sequences

• Number of binary [ n,3 ] codes.at n=25A034357
• Numerators of continued fraction convergents to sqrt(757).at n=6A042458
• Positive numbers y such that y^2 is of the form x^2+(x+833)^2 with integer x.at n=39A156835
• Row sums of triangle defined in A113821.at n=39A160969
• Numbers k such that 2*k + 1 divides 2^(k+1) - 1.at n=21A246648
• a(n) is the number of multisets of integers that are possible to reach by starting with n occurrences of 0 and by splitting and reverse splitting.at n=12A348532