A079560 Number of divisors of n-th term of Look and Say Sequence A005150.

1, 2, 4, 4, 4, 2, 2, 16, 4, 4, 16, 8, 8, 32, 128, 128, 128, 32

Offset: 1

Author

Joseph L. Pe, Jan 25 2003

Keywords

• nonn
• base
• more

Comments

a(16) >= 32. - Nathaniel Johnston, Nov 02 2010

Crossrefs

Cf. A000005, A005150.

Cf. A079562 [Nathaniel Johnston, Nov 02 2010]

Formula

a(n) = A000005(A005150(n)). - Michel Marcus, May 31 2020

Extensions

a(11)-a(15) from Nathaniel Johnston, Nov 02 2010

a(16)-a(17) from Giovanni Resta, May 31 2020

a(18) from Tyler Busby, Jan 25 2023