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

1,2

Comments

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

Links

Table of n, a(n) for n=1..18.

Formula

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

Crossrefs

Cf. A000005, A005150.

Cf. A079562 [Nathaniel Johnston, Nov 02 2010]

Sequence in context: A140765 A097541 A151819 * A330601 A088680 A143194

Adjacent sequences: A079557 A079558 A079559 * A079561 A079562 A079563

Keyword

nonn,base,more

Author

Joseph L. Pe, Jan 25 2003

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

Status

approved