id:A025016 - OEIS Search Results

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Final digits of !n = Sum i!, i=0..n, (A003422) for very large n, read from right.

+0
6

4, 1, 3, 0, 4, 9, 0, 2, 4, 0, 2, 9, 8, 2, 5, 6, 3, 3, 2, 4, 4, 6, 5, 5, 2, 5, 0, 9, 3, 0, 5, 0, 1, 3, 9, 5, 3, 2, 3, 4, 0, 8, 4, 9, 9, 7, 0, 1, 1, 2, 6, 8, 3, 7, 4, 8, 6, 8, 7, 4, 9, 7, 4, 7, 4, 2, 2, 9, 0, 0, 4, 3, 3, 0, 5, 6, 5, 8, 6, 5, 0, 0, 2, 6, 6, 5, 1, 5, 9, 7, 8, 8, 1, 6, 2, 0, 2, 8, 1, 2, 1, 3, 7, 6, 1, 1, 5, 8 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Reversed digits of 10-adic sum of all factorials.` `More generally, the 10-adic sum: B(n) = Sum_{k>=0} k^nk! is given by: B(n) = A014182(n)B(0) + A014619(n) for n>=0, where B(0) is the 10-adic sum of factorials (this constant). - Paul D. Hanna (pauldhanna(AT)juno.com), Aug 12 2006`
	LINKS	`Index entries for sequences related to final digits of numbers`
	EXAMPLE	`!20=256132749111820314 !30=16158688114800553828940314 ...`
	PROGRAM	`(PARI) {a(n)=local(x, f=1); while(f!%10^(n+1)>0, f+=1); x=sum(k=0, f, k!%10^(n+1)); (10*(x%10^(n+1)))\10^(n+1)} - Paul D. Hanna (pauldhanna(AT)juno.com), Aug 12 2006`
	CROSSREFS	`Cf. A014182, A014619.` `Sequence in context: A072033 A159766 A004161 this_sequence A094244 A075447 A094804` `Adjacent sequences: A025013 A025014 A025015 this_sequence A025017 A025018 A025019`
	KEYWORD	`nonn,base,nice`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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