A104413 Number of prime factors, with multiplicity, of the hexanacci numbers A001592.

0, 0, 1, 2, 3, 4, 5, 3, 3, 4, 4, 5, 6, 10, 2, 2, 7, 5, 8, 7, 10, 3, 2, 6, 6, 6, 7, 11, 2, 5, 3, 4, 5, 10, 8, 1, 1, 5, 3, 7, 8, 15, 5, 3, 3, 12, 9, 9, 9, 3, 2, 9, 9, 8, 9, 13, 6, 4, 3, 7, 8, 9, 9, 5, 6, 5, 5, 6, 6, 13, 6, 4, 6, 10, 9, 7, 9, 3, 4, 9, 7, 8, 9, 14, 3, 3, 5, 7, 4, 14, 10, 1, 3, 10, 5, 9, 10, 14, 6

Offset

5,4

Links

Amiram Eldar, Table of n, a(n) for n = 5..244

Formula

a(n) = A001222(A001592(n)).

Mathematica

PrimeOmega[LinearRecurrence[{1, 1, 1, 1, 1, 1}, {1, 1, 2, 4, 8, 16}, 100]] (* Amiram Eldar, May 16 2021 *)

Crossrefs

Cf. A001592, A001222, A104411, A104412.

Sequence in context: A308830 A343252 A341355 * A127064 A279850 A117607

Adjacent sequences: A104410 A104411 A104412 * A104414 A104415 A104416

Keyword

easy,nonn

Author

Jonathan Vos Post, Mar 06 2005

Extensions

Offset changed to 5 by Georg Fischer, Dec 19 2020

More terms from Joerg Arndt, Dec 19 2020

Status

approved