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Search: id:A158858
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| A158858 |
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Triangle T(n,k) =3^(k-1)*e(n,k) read by rows, where e(n,k)= (e(n - 1, k)*e(n, k - 1) + 1)/e(n - 1, k - 1). |
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| 3, 5, 1, 7, 2, 27, 9, 3, 54, 9, 11, 4, 81, 18, 243, 13, 5, 108, 27, 486, 81, 15, 6, 135, 36, 729, 162, 2187, 17, 7, 162, 45, 972, 243, 4374, 729, 19, 8, 189, 54, 1215, 324, 6561, 1458, 19683, 21, 9, 216, 63, 1458, 405, 8748, 2187, 39366, 6561
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