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Search: id:A118851
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| A118851 |
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Product of parts in n-th partition in Abramowitz and Stegun order. |
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+0
3
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| 1, 1, 2, 1, 3, 2, 1, 4, 3, 4, 2, 1, 5, 4, 6, 3, 4, 2, 1, 6, 5, 8, 9, 4, 6, 8, 3, 4, 2, 1, 7, 6, 10, 12, 5, 8, 9, 12, 4, 6, 8, 3, 4, 2, 1, 8, 7, 12, 15, 16, 6, 10, 12, 16, 18, 5, 8, 9, 12, 16, 4, 6, 8, 3, 4, 2, 1, 9, 8, 14, 18, 20, 7, 12, 15, 16, 20, 24, 27, 6, 10, 12, 16, 18, 24, 5, 8, 9, 12, 16, 4
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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Abramowitz and Stegun, Handbook (1964) page 831.
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LINKS
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M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, December 1972 [alternative scanned copy].
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FORMULA
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a(n) = A085643(n)/A048996(n)
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EXAMPLE
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a(9) = 4 because the 9th partition is [2,2] and 2*2 = 4.
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CROSSREFS
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Cf. A036036, A006906 (row sums), A000041 (row lengths), A048996, A111786, A078812, A085643, A103921.
Adjacent sequences: A118848 A118849 A118850 this_sequence A118852 A118853 A118854
Sequence in context: A135227 A104325 A133084 this_sequence A112383 A133404 A134627
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KEYWORD
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nonn,tabf
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AUTHOR
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Alford Arnold (Alford1940(AT)aol.com), May 01 2006
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EXTENSIONS
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Corrected and extended by Frank Adams-Watters (FrankTAW(AT)Netscape.net), May 26 2006
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