5654885

Appears in sequences

• Numbers n such that 2*n^2 - 3*n + 1 is a square.at n=6A076218
• Numbers occurring in three Pythagorean triples of the form: odd: a, (a^2-1)/2, (a^2+1)/2 or even: a, a^2/4-1, a^2/4+1.at n=9A111766
• Denominators a(n) of Pythagorean approximations b(n)/a(n) to sqrt(8).at n=8A195538
• List of pairs of consecutive integers such that one of them is a square and their sum is also a square.at n=19A331261