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Search: id:A100851
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| A100851 |
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Triangle read by rows: T(n,k) = 2^n * 3^k, 0<=k<=n. |
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+0
4
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| 1, 2, 6, 4, 12, 36, 8, 24, 72, 216, 16, 48, 144, 432, 1296, 32, 96, 288, 864, 2592, 7776, 64, 192, 576, 1728, 5184, 15552, 46656, 128, 384, 1152, 3456, 10368, 31104, 93312, 279936, 256, 768, 2304, 6912, 20736, 62208, 186624, 559872, 1679616, 512, 1536
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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T(n,0) = A000079(n); T(n,n) = A000400(n) = A100852(n,n);
T(n,1) = A007283(n) for n>0;
T(n,2) = A005010(n) for n>1;
row-sums give A016129.
Central terms give A001021. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 04 2006
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LINKS
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Eric Weisstein's World of Mathematics, Smooth Number
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CROSSREFS
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Cf. A100852, A003586, A065333(T(n, k))=1.
Sequence in context: A118416 A046204 A163755 this_sequence A064462 A111807 A069914
Adjacent sequences: A100848 A100849 A100850 this_sequence A100852 A100853 A100854
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KEYWORD
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nonn,tabl
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 20 2004
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