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A117412 Sum of the interior angles of an n-sided polygon, in gradians. 0
200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2400, 2600, 2800, 3000, 3200, 3400, 3600, 3800, 4000, 4200, 4400, 4600, 4800, 5000, 5200, 5400, 5600, 5800, 6000, 6200, 6400, 6600, 6800, 7000, 7200, 7400, 7600, 7800, 8000, 8200, 8400, 8600 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..45.

Eric Weisstein, Gradian. MathWorld.

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (2, -1).

FORMULA

a(n)=(n-2)*200 for n>=3

CROSSREFS

Sequence in context: A166256 A252059 A004966 * A109632 A258921 A258918

Adjacent sequences:  A117409 A117410 A117411 * A117413 A117414 A117415

KEYWORD

easy,nonn,changed

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), Apr 25 2006

STATUS

approved

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Last modified March 25 13:42 EDT 2017. Contains 284081 sequences.