A021509 - OEIS

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A021509

Decimal expansion of 1/505.

0, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1, 9, 8, 0, 1 (list; constant; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	FORMULA	`a(n)=(1/4){4(n mod 4)-5[(n+1) mod 4]+2[(n+2) mod 4]+11[(n+3) mod 4]}-8[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Nov 18 2009]`
	CROSSREFS	`Sequence in context: A144622 A069242 A071063 * A154898 A199776 A021106` `Adjacent sequences: A021506 A021507 A021508 * A021510 A021511 A021512`
	KEYWORD	`nonn,cons`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 23:45 EST 2012. Contains 205978 sequences.