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Search: id:A133371
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| A133371 |
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Tiangle read by rows, T(i,j) is the number of i-permutations of 14 objects a,b,c,d,e,f,g,h,i,j,k,l,m,n, with repetition allowed, containing j a's. |
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+0
3
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| 1, 13, 1, 169, 26, 1, 2197, 507, 39, 1, 28561, 8788, 1014, 52, 1, 371293, 142805, 21970, 1690, 65, 1, 4826809, 2227758, 428415, 43940, 2535, 78, 1, 62748517, 33787663, 7797153, 999635, 76895, 3549, 91, 1
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Mirror image of A123187. - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 27 2007
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EXAMPLE
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1
13, 1
169, 26, 1
2197, 507, 39, 1
28561, 8788, 1014, 52, 1
371293, 142805, 21970, 1690, 65, 1
4826809, 2227758, 428415, 43940, 2535, 78, 1
62748517, 33787663, 7797153, 999635, 76895, 3549, 91, 1
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MAPLE
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for i from 0 to 7 do seq(binomial(i, j)*13^(i-j), j = 0 .. i) od;
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CROSSREFS
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Cf. A001022, A008595.
Sequence in context: A123187 A046733 A120392 this_sequence A010223 A010222 A086266
Adjacent sequences: A133368 A133369 A133370 this_sequence A133372 A133373 A133374
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KEYWORD
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easy,nonn
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AUTHOR
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Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), with help from Emeric Deutsch, Dec 21 2007
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