422526

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 50.at n=25A031728
• Row sums of triangle A145373 (S1hat(-5)) and partition array A145372 (M31hat(-5)).at n=10A145374
• a(n) = 676*n^2 + 26.at n=25A158643
• Number of binary strings of length n with equal numbers of 00001 and 10101 substrings.at n=20A164207