0,11

Table of n, a(n) for n=0..83.

a(n) =A090622(n, 16) =[A011371(n)/4] =[A090616(n)/2] =[([n/2]+[n/4]+[n/8]+[n/16]+...)/4]. Almost n/4.

a(10)=2 since 10!=3628800=16^2*14175

Cf. A011371, A054861, A090616, A027868, A054896, A090617, A090618, A090619, A090620.

Sequence in context: A120450 A127238 A072114 * A173711 A236678 A029378

Adjacent sequences: A090618 A090619 A090620 * A090622 A090623 A090624

nonn

Henry Bottomley, Dec 06 2003

approved