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A116988 Sum of digits of (10^n)!. 0
1, 27, 648, 10539, 149346, 1938780, 23903442, 284222502, 3292100235 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

Cf. A004152 Sum of digits of factorial numbers, A113364 1,27,648,16245,... with first three terms coinciding with this SEQ.

EXAMPLE

a(1)=27 because 10!=3628800 and 3+6+2+8+8+0+0=27.

MATHEMATICA

Do[Print[Total[IntegerDigits[(10^n)! ]]], {n, 0, 7}]

CROSSREFS

Cf. A004152, A113364.

Sequence in context: A099753 A046359 A060603 * A113364 A095898 A014914

Adjacent sequences:  A116985 A116986 A116987 * A116989 A116990 A116991

KEYWORD

hard,more,nonn,base

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Apr 02 2006

EXTENSIONS

One more term from Ryan Propper (rpropper(AT)cs.stanford.edu), Jun 27 2007

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Last modified February 15 12:25 EST 2012. Contains 205786 sequences.