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A038245
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Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*3^j.
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0
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1, 5, 3, 25, 30, 9, 125, 225, 135, 27, 625, 1500, 1350, 540, 81, 3125, 9375, 11250, 6750, 2025, 243, 15625, 56250, 84375, 67500, 30375, 7290, 729, 78125, 328125, 590625, 590625, 354375, 127575, 25515, 2187, 390625, 1875000, 3937500
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Row-reversed A013622. - R. J. Mathar, Dec 21 2011
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REFERENCES
| B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.
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EXAMPLE
| 1;
5,3;
25,30,9;
125,225,135,27;
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CROSSREFS
| Sequence in context: A181351 A032532 A111108 * A178640 A189747 A179210
Adjacent sequences: A038242 A038243 A038244 * A038246 A038247 A038248
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KEYWORD
| nonn,tabl,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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