147424

Appears in sequences

• 144*n^2 - n.at n=31A156635
• a(n) = 576*n^2 - 2*n.at n=15A158371
• a(n) = 1024*n^2 - 32.at n=11A158683
• Centered triangular numbers that are pseudoperfect (semiperfect).at n=22A377747
• Table read by rows: row n is the unique primitive Pythagorean triple (a,b,c) such that (a-b+c)/2 = A002378(n) and its long leg and hypotenuse are consecutive natural numbers.at n=46A385022