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A210032 a(n)=n for n=1,2,3 and 4; a(n)=5 for n>=5. 0
1, 2, 3, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

In atomic spectroscopy, a(n) is the number of D term symbols with spin multiplicity equal to n, i.e., there is one singlet-D term (n=1), and there are two doublet-D terms (n=2), three triple-D terms (n=3), four quartet-D terms (n=4) and five terms for every other D term of multiplicity 5 or higher (n>=5).

Decimal expansion of 11111/9000. [Arkadiusz Wesolowski, Mar 29 2012]

LINKS

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

FORMULA

a(n) = min(n,5). - Wesley Ivan Hurt, Apr 16 2014

MATHEMATICA

Join[Range@4, Table[5, {83}]] (* Arkadiusz Wesolowski, Mar 29 2012 *)

PadRight[{1, 2, 3, 4}, 120, {5}] (* Harvey P. Dale, Sep 23 2017 *)

CROSSREFS

Sequence in context: A281826 A062985 A168092 * A093392 A079947 A094699

Adjacent sequences:  A210029 A210030 A210031 * A210033 A210034 A210035

KEYWORD

easy,nonn

AUTHOR

A. Timothy Royappa, Mar 16 2012

STATUS

approved

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Last modified November 17 13:33 EST 2019. Contains 329230 sequences. (Running on oeis4.)