A020549 - OEIS

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A020549

(n!)^2 + 1.

2, 2, 5, 37, 577, 14401, 518401, 25401601, 1625702401, 131681894401, 13168189440001, 1593350922240001, 229442532802560001, 38775788043632640001, 7600054456551997440001, 1710012252724199424000001, 437763136697395052544000001 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	REFERENCES	`H. Ibstedt, A Few Smarandache Sequences, Smarandache Notions Journal, Vol. 8, No. 1-2-3, 1997, 170-183.` `M. Le, On the Interesting Smarandache Product Sequences, Smarandache Notions Journal, Vol. 9, No. 1-2, 1998, 133-134.` `M. Le, The Primes in Smarandache Power Product Sequences, Smarandache Notions Journal, Vol. 9, No. 1-2, 1998, 96-97.` `F. Iacobescu, Smarandache Partition Type and Other Sequences, Bull. Pure Appl. Sciences, Vol. 16E, No. 2 (1997), pp. 237-240.` `F. Smarandache, Sequences of Numbers Involved in Unsolved Problems, Hexis, Phoenix, 2006.`
	LINKS	`M. L. Perez et al., eds., Smarandache Notions Journal` `Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.` `Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.` `M. Fleuren, Smarandache Square Products.` `F. Smarandache, Sequences of Numbers Involved in Unsolved Problems.`
	MAPLE	`with (combinat):seq(fibonacci(3, n!), n=0..16); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Apr 21 2008`
	MATHEMATICA	`Table[(n!)^2 + 1, {n, 0, 20}] (* From Vladimir Joseph Stephan Orlovsky, Apr 08 2011 *)`
	CROSSREFS	`Cf. A001044.` `Sequence in context: A103890 A014566 A076658 * A196128 A114715 A036739` `Adjacent sequences: A020546 A020547 A020548 * A020550 A020551 A020552`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Simon Plouffe (simon.plouffe(AT)gmail.com)`

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.