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Search: id:A132684
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| A132684 |
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a(n) = C(2^n + n + 1, n). |
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+0 4
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| 1, 4, 21, 220, 5985, 501942, 143218999, 145944307080, 542150225230185, 7398714129087308170, 372134605932348010322571, 69146263065062394421802892300, 47589861944854471977019273909187085
(list; graph; listen)
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