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A210278 (5n)!/5^n. 5
1, 24, 145152, 10461394944, 3892643213082624, 4963587213865915514880, 16976183027980227752723742720, 132264293969742655099733137120296960, 2088743125114618199924764850166056689336320, 61246577083125859615725138685776750112964471685120 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..90

FORMULA

E.g.f.: 1/(1-x^5/5).

MATHEMATICA

Table[(5 n)!/5^n, {n, 0, 10}] (* Vincenzo Librandi, Feb 15 2013 *)

PROG

(MAGMA)[Factorial(5*n)/5^n: n in [0..10]]; // Vincenzo Librandi, Feb 15 2013

CROSSREFS

Cf. A210277, A000680, A067630, A084939, A084940, A084941, A084942, A084943, A084944, A087127, A001147, A132101.

Sequence in context: A172628 A294318 A061527 * A201495 A258924 A179268

Adjacent sequences:  A210275 A210276 A210277 * A210279 A210280 A210281

KEYWORD

nonn,easy

AUTHOR

Mohammad K. Azarian, Mar 20 2012

STATUS

approved

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Last modified September 19 19:41 EDT 2021. Contains 347564 sequences. (Running on oeis4.)