A102383 A001222(A004094(n)).

0, 1, 2, 3, 1, 1, 2, 1, 3, 2, 1, 2, 4, 2, 2, 3, 3, 1, 4, 4, 4, 4, 4, 3, 1, 4, 7, 5, 2, 2, 2, 4, 4, 3, 2, 2, 3, 1, 4, 5, 4, 6, 3, 4, 4, 1, 4, 2, 4, 4, 3, 3, 3, 4, 2, 1, 3, 3, 4, 7, 6, 4, 5, 4, 4, 2, 3, 5, 7, 3, 1, 9, 4, 3, 4, 6, 4, 1, 4, 4, 4, 5, 6, 4, 3, 2, 2, 3, 3, 5, 6, 3, 4, 4, 3, 4, 4, 4, 3, 12, 3, 6, 5, 3, 5

Offset

0,3

Links

Table of n, a(n) for n=0..104.

Example

n=26: reverse(2^26) = 46880176 = 2^4*7*641*653, so a(26)=7.
n=38: reverse(2^38) = 449609778472 = 2^3*56201222309, so a(38)=4. - Sean A. Irvine, Sep 26 2023

Crossrefs

Cf. A102382, A102384, A102385.

Sequence in context: A120966 A189041 A055444 * A070913 A266743 A284050

Adjacent sequences: A102380 A102381 A102382 * A102384 A102385 A102386

Keyword

nonn

Author

Reinhard Zumkeller, Jan 06 2005

Extensions

a(38) corrected by Sean A. Irvine, Sep 26 2023

Status

approved