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Search: id:A133458
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| A133458 |
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The size of the largest antichain in the 7-dimensional hypercubic lattice of size n; also the coefficient of x^[7(n-1)/2] in (1 + x + ... + x^(n-1))^7. |
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+0
1
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OFFSET
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1,2
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MAPLE
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f:=(L, d)->(sum(x^k, k=0..L-1))^d; A:=[seq(coeff(f(j, 7), x, floor(7*(j-1)/2)), j=1..25)];
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CROSSREFS
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Cf. A077043, A005900, A077044, A071816.
Sequence in context: A101099 A027803 A073567 this_sequence A075664 A133317 A105947
Adjacent sequences: A133455 A133456 A133457 this_sequence A133459 A133460 A133461
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KEYWORD
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nonn
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AUTHOR
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Leonid Chindelevitch (leonidus(AT)mit.edu), Dec 22 2007
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