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A017797 Binomial coefficients C(81,n). 3
1, 81, 3240, 85320, 1663740, 25621596, 324540216, 3477216600, 32164253550, 260887834350, 1878392407320, 12124169174520, 70724320184700, 375382930211100, 1823288518168200, 8144022047817960, 33594090947249085, 128447994798305325, 456703981505085600 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Row 81 of A007318.

LINKS

Nathaniel Johnston, Table of n, a(n) for n = 0..81 (full sequence)

FORMULA

From G. C. Greubel, Nov 15 2018: (Start)

G.f.: (1+x)^81.

E.g.f.: 1F1(-81; 1; -x), where 1F1 is the confluent hypergeometric function. (End)

MAPLE

seq(binomial(81, n), n=0..81); # Nathaniel Johnston, Jun 24 2011

MATHEMATICA

Binomial[81, Range[0, 81]] (* G. C. Greubel, Nov 15 2018 *)

PROG

(Sage) [binomial(81, n) for n in range(16)] # Zerinvary Lajos, May 29 2009

(PARI) vector(81, n, n--; binomial(81, n)) \\ G. C. Greubel, Nov 15 2018

(MAGMA) [Binomial(81, n): n in [0..81]]; // G. C. Greubel, Nov 15 2018

(GAP) List([0..81], n -> Binomial(81, n)); # G. C. Greubel, Nov 15 2018

CROSSREFS

Cf. A010926-A011001, A017765-A017796, A017798-A017816.

Sequence in context: A270343 A236894 A231768 * A205207 A254415 A017744

Adjacent sequences:  A017794 A017795 A017796 * A017798 A017799 A017800

KEYWORD

nonn,fini,full,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified November 25 11:32 EST 2020. Contains 338623 sequences. (Running on oeis4.)