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A045511 Factorials having initial digit '3'. 18
362880, 3628800, 39916800, 355687428096000, 304888344611713860501504000000, 371993326789901217467999448150835200000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Benford's law shows that this sequence will contain about (log 4 - log 3)/log 10 =~ 12% of factorials. [From Charles R Greathouse IV, Nov 13 2010]

LINKS

Table of n, a(n) for n=1..6.

Index entries for sequences related to Benford's law

MATHEMATICA

Select[Range[100]!, First[IntegerDigits[#]]==3&] (* Harvey P. Dale, Jun 16 2016 *)

CROSSREFS

For factorials with initial digit d (1 <= d <= 9) see A045509, A045510, A045511, A045516, A045517, A045518, A282021, A045519; A045520, A045521, A045522, A045523, A045524, A045525, A045526, A045527, A045528, A045529.

Sequence in context: A226888 A284206 A179736 * A029577 A133360 A254082

Adjacent sequences:  A045508 A045509 A045510 * A045512 A045513 A045514

KEYWORD

nonn,base

AUTHOR

Jeff Burch

STATUS

approved

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Last modified February 22 05:58 EST 2018. Contains 299430 sequences. (Running on oeis4.)