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Search: id:A027284
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| A027284 |
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a(n) = Sum{T(n,k)*T(n,k+2)}, 0<=k<=2n-2, T given by A026584. |
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| 5, 28, 167, 1024, 6359, 39759, 249699, 1573524, 9943905, 62994733, 399936573, 2543992514, 16210331727, 103453402718, 661164765879
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