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Search: id:A109903
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| A109903 |
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Let c = composite(n) & p = prime(n); a(n) = binomial( max(c,p), min(c,p) ). |
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| 6, 20, 56, 36, 11, 13, 680, 3876, 245157, 34597290, 84672315, 12875774670, 244662670200, 800472431850, 14833897694226, 973469712824056, 48402641245296107, 191724747789809255, 9989690752182277136
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