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    sumlucid(10) = 1 + 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 = 101 not 107

    sumlucid(25) = 1 + 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79 + 83 + 89 = 964 not 1100

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