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Search: id:A034877
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| A034877 |
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Rows of (Pascal's triangle - Losanitsch's triangle) (n >= 0, k >= 0). |
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+0
5
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| 1, 1, 1, 2, 2, 2, 2, 4, 4, 2, 3, 6, 10, 6, 3, 3, 9, 16, 16, 9, 3, 4, 12, 28, 32, 28, 12, 4, 4, 16, 40, 60, 60, 40, 16, 4, 5, 20, 60, 100, 126, 100, 60, 20, 5, 5, 25, 80, 160, 226, 226, 160, 80, 25, 5, 6, 30, 110, 240, 396, 452, 396, 240, 110, 30, 6, 6, 36, 140, 350, 636, 848
(list; table; graph; listen)
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OFFSET
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0,4
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COMMENT
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Same as A034852, but omitting the border of 0's.
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REFERENCES
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S. M. Losanitsch, Die Isomerie-Arten bei den Homologen der Paraffin-Reihe, Chem. Ber. 30 (1897), 1917-1926.
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LINKS
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N. J. A. Sloane, Classic Sequences
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EXAMPLE
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1; 1,1; 2,2,2; 2,4,4,2; 3,6,10,6,3; 3,9,16,16,9,3; ...
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CROSSREFS
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Cf. A007318, A034851, A034852.
Row sums are essentially A032085. Central column is A032095.
Sequence in context: A119802 A060369 A143979 this_sequence A023161 A023155 A085311
Adjacent sequences: A034874 A034875 A034876 this_sequence A034878 A034879 A034880
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KEYWORD
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nonn,tabl,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu), May 04 2000
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