126226

Appears in sequences

• Row sums of A138060.at n=33A138289
• Number of binary strings of length n with equal numbers of 00100 and 01010 substrings.at n=18A164237
• a(n) = (x(n)^2 + 1)/m(n), with m(n) = A002559(n) (Markoff numbers) and x(n)= A324601(n), for n >= 3. The Markoff uniqueness conjecture is assumed to be true.at n=44A309161