0,4

a(n) is the number of compositions of n into distinct powers of 2. - Vladimir Shevelev, Jan 15 2014

Antti Karttunen, Table of n, a(n) for n = 0..8192

Index entries for sequences related to binary expansion of n

a(2^n) = n! for n>=0. a(2^n+2^m) = a(2^(m+1)) for n>m>=0.

a(n) = A000120(n)! = A000142(A000120(n)).

Cf. A093658, A093677, A000120, A000142, A139329.

Sequence in context: A095291 A285003 A284002 * A306714 A200745 A067541

Adjacent sequences: A093656 A093657 A093658 * A093660 A093661 A093662

nonn

Paul D. Hanna, Apr 08 2004

approved