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 A004323 Binomial coefficient C(3n,n-5). 0
 1, 18, 210, 2024, 17550, 142506, 1107568, 8347680, 61523748, 445891810, 3190187286, 22595200368, 158753389900, 1108176102180, 7694644696200, 53194089192720, 366395202809685, 2515943049305400, 17231414395464984 (list; graph; refs; listen; history; text; internal format)
 OFFSET 5,2 REFERENCES M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 828. LINKS Milan Janjic, Two Enumerative Functions M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy]. MATHEMATICA Table[Binomial[3n, n - 5], {n, 5, 30}] (* Stefan Steinerberger, Apr 11 2006 *) PROG (MAGMA) [Binomial(3*n, n-5): n in [5..30]]; // Vincenzo Librandi, Aug 26 2015 CROSSREFS Sequence in context: A025959 A229270 A261484 * A025937 A021804 A025932 Adjacent sequences:  A004320 A004321 A004322 * A004324 A004325 A004326 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified January 17 15:12 EST 2020. Contains 330958 sequences. (Running on oeis4.)