A131789 The length of the n-th run of identical consecutive values in the sequence A000005, where A000005(k) is the number of divisors of k.

1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1

Offset

1,2

Links

Jason Kimberley, Table of n, a(n) for n = 1..89415

Example

Runs in A000005: (1), (2,2), (3), (2), (4), (2), (4), (3), (4), (2), (6), (2), (4,4), (5), (2), (6), (2), (6), (4,4), (2), (8), (3), ...

Crossrefs

Cf. A000005, A131790.

Sequence in context: A030575 A350040 A280940 * A108465 A367419 A069347

Adjacent sequences: A131786 A131787 A131788 * A131790 A131791 A131792

Keyword

nonn,easy

Author

Leroy Quet, Jul 15 2007

Extensions

More terms from Joshua Zucker, Jul 18 2007

Name clarified by Jason Kimberley, Jul 18 2018

Status

approved