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0, 23, 92, 207, 368, 575, 828, 1127, 1472, 1863, 2300, 2783, 3312, 3887, 4508, 5175, 5888, 6647, 7452, 8303, 9200, 10143, 11132, 12167, 13248, 14375, 15548, 16767, 18032, 19343, 20700, 22103, 23552, 25047, 26588, 28175, 29808, 31487, 33212, 34983, 36800
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OFFSET
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0,2
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COMMENTS
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LINKS
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FORMULA
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G.f.: 23*x*(1 + x)/(1 - x)^3.
a(n) = 3*a(n-1) -3*a(n-2) +a(n-3) for n>2.
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MATHEMATICA
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Table[23 n^2, {n, 0, 40}]
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PROG
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(Magma) [23*n^2: n in [0..40]];
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CROSSREFS
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Cf. similar sequences listed in A244630.
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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