A214861 - OEIS

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A214861

First differences of round(n*sqrt(5)) (A022848).

1

2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..87.

MATHEMATICA

Differences[Table[Round[n*Sqrt[5]], {n, 0, 100}]] (* T. D. Noe, Mar 11 2013 *)

CROSSREFS

Sequence in context: A278966 A374383 A123582 * A037914 A073813 A104517

Adjacent sequences: A214858 A214859 A214860 * A214862 A214863 A214864

KEYWORD

nonn,easy

AUTHOR

Philippe Deléham, Mar 09 2013

EXTENSIONS

Extended by T. D. Noe, Mar 11 2013

STATUS

approved