1,3

Álvar Ibeas, Table of n, a(n) for n = 1..10000

a(n) = A001222(A025487(n)) = A001222(A181822(n)).

a(3) = 2 since A025487(3) = 4 = 2*2; a(5) = 3 since A025487(5) = 8 = 2*2*2; ...

Cf. A025487, A000041, A035796, A036042, A001222.

Sequence in context: A252489 A059998 A234475 * A252759 A085654 A074719

Adjacent sequences: A036038 A036039 A036040 * A036042 A036043 A036044

easy,nonn

Alford Arnold

More terms from Henry Bottomley, Apr 30 2001

Edited to accommodate change in A025487's offset by Matthew Vandermast, Nov 08 2008

Definition corrected by Álvar Ibeas, Nov 01 2014

approved