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A197988
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Number of isomorphism classes of nanocones with 3 pentagons and a symmetric boundary of length n.
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7
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1, 3, 5, 12, 18, 31, 44, 67, 88, 124, 157, 207, 255, 323, 387, 476, 560, 671, 778, 915, 1046, 1212, 1371, 1567, 1757, 1987, 2209, 2476, 2734, 3039, 3336, 3683, 4020, 4412, 4793, 5231, 5659, 6147, 6623, 7164, 7692, 8287, 8870, 9523, 10162, 10876, 11575, 12351
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