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A056144
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a(1) = 1, a(m+1) = sum_{k=1 to m}[GCD(m, a(k))].
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0
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1, 1, 2, 3, 5, 9, 11, 7, 9, 27, 15, 21, 25, 13, 27, 49, 17, 33, 59, 19, 33, 69, 53, 45, 47, 61, 39, 117, 47, 29, 89, 31, 33, 161, 51, 75, 105, 37, 57, 159, 65, 41, 135, 43, 85, 251, 91, 139, 89, 127, 127, 171, 113, 157, 199, 131, 93, 227, 87, 117, 185, 121, 123, 227, 65
(list; graph; refs; listen; history; internal format)
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