A100144 First differences of A100143.

1, 2, 2, 4, 4, 4, 4, 6, 6, 6, 6, 6, 6, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22

Offset

1,2

Comments

Each term a(n) occurs a(n) times consecutively. If duplicate terms are removed, this sequence is equivalent to A100143.

The position where values change, but also the second partial sums are in A100250. - Ralf Stephan, Aug 28 2013

Links

Table of n, a(n) for n=1..74.

Crossrefs

Cf. A100143, A005041.

Sequence in context: A375347 A239896 A001670 * A076222 A177692 A098667

Adjacent sequences: A100141 A100142 A100143 * A100145 A100146 A100147

Keyword

nonn

Author

Rick L. Shepherd, Nov 09 2004

Status

approved