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A195824 24*n^2. 0
0, 24, 96, 216, 384, 600, 864, 1176, 1536, 1944, 2400, 2904, 3456, 4056, 4704, 5400, 6144, 6936, 7776, 8664, 9600, 10584, 11616, 12696, 13824, 15000, 16224, 17496, 18816, 20184, 21600, 23064, 24576, 26136, 27744, 29400, 31104, 32856, 34656, 36504 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Sequence found by reading the line from 0, in the direction 0, 24,..., in the square spiral whose vertices are the generalized tetradecagonal numbers A195818.

LINKS

Table of n, a(n) for n=0..39.

FORMULA

a(n) = 24*A000290(n) = 12*A001105(n) = 8*A033428(n) = 6*A016742(n) = 4*A033581(n) = 3*A139098(n) = 2*A135453(n).

CROSSREFS

Bisection of A195158.

Sequence in context: A057103 A055669 A209432 * A183009 A225790 A042122

Adjacent sequences:  A195821 A195822 A195823 * A195825 A195826 A195827

KEYWORD

nonn,easy

AUTHOR

Omar E. Pol, Sep 28 2011

STATUS

approved

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Last modified April 23 12:52 EDT 2014. Contains 240924 sequences.