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

Author

Jonathan Vos Post, Mar 06 2005

Keywords

• easy
• nonn

Links

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

Crossrefs

Cf. A001592, A001222, A104411, A104412.

Programs

Mathematica

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

Formula

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

Extensions

Offset changed to 5 by Georg Fischer, Dec 19 2020

More terms from Joerg Arndt, Dec 19 2020