id:A080198 - OEIS Search Results

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Least positive integer multiples of angle x such that their direction cosines form a unit vector: sum(k>0, cos(a(k)*x)^2)=1, where a(1)=1, a(n+1)>a(n) and x=(5/4).

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1, 2, 4, 6, 14, 34, 44, 49, 137, 142, 235, 333, 426, 519, 710, 994, 1278, 1562, 1846, 2130, 2414, 2698, 2982, 3266, 3550, 3834, 4118, 4402, 4686, 4970, 5254, 5538, 5822, 6106, 6390, 6674, 6958, 7242, 7526, 7810, 8094, 8378, 8662, 8946, 9230, 9514, 9798 (list; graph; listen)

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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