id:A025494 - OEIS Search Results

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Squares which are the sum of factorials of distinct integers (probably finite).

+0
10

1, 4, 9, 25, 121, 144, 729, 841, 5041, 5184, 45369, 46225, 363609, 403225, 3674889, 1401602635449 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`If there are any terms in either A014597 or A025494 beyond the last one given (i.e. n = 1183893 in A014597; equivalently n^2 = 1401602635449 in A025494), then n^2 must be greater than 48! (about 1.24139e+61). - Jon Schoenfield, Aug 04 2006`
	CROSSREFS	`Cf. A002034, A018194, A051760, A051761, A014597, A059589.` `Sequence in context: A117678 A167045 A055851 this_sequence A087374 A081948 A087361` `Adjacent sequences: A025491 A025492 A025493 this_sequence A025495 A025496 A025497`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`
	EXTENSIONS	`No other elements < 31! - Paul.Jobling(AT)WhiteCross.com Thu Aug 10 04:23:48 2000`

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Last modified November 22 15:28 EST 2009. Contains 167310 sequences.