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A107688 A107686(n+1) - A107686(n). 2
1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 2, 3, 1, 4, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 4, 3, 1, 1, 1, 2, 3, 1, 4, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 2, 3, 1, 4, 3, 1, 1, 1, 2, 1, 1, 1, 1, 4, 3, 1, 1, 1, 2, 3, 1, 4, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 2, 3, 1, 4, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

COMMENTS

a(n) <= 4.

LINKS

Table of n, a(n) for n=0..104.

CROSSREFS

Sequence in context: A061399 A161856 A122944 * A060097 A098120 A098873

Adjacent sequences:  A107685 A107686 A107687 * A107689 A107690 A107691

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, May 20 2005

STATUS

approved

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Last modified October 19 16:17 EDT 2019. Contains 328223 sequences. (Running on oeis4.)