55350

Appears in sequences

• Sequence formed from rows of triangle A046934.at n=45A046935
• Number of regions in regular n-gon which are quadrilaterals (4-gons) when all its diagonals are drawn.at n=41A067151
• Numbers n such that n * (x-1)/x produces a rotation of the digits in n for some value of x.at n=32A288626
• Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.at n=14A299447
• a(n) is the hafnian of the 2n X 2n symmetric matrix whose generic element M[i,j] is equal to the digital root of i*j.at n=4A357421