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3, 2, 3, 2, 5, 2, 3, 2, 5, 2, 3, 2, 5, 2, 3, 2, 5, 2, 3, 2, 5, 2, 3, 2, 5, 2, 3, 2, 5, 2, 3, 2, 5, 2, 3, 2, 5, 2, 3, 2, 5
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Except for initial term, periodic sequence with period 2 3 2 5.
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FORMULA
| a(n)=(1/4)*{-(n mod 4)+3*[(n+1) mod 4]+5*[(n+2) mod 4]+[(n+3) mod 4]}-2*[C(2*n,n) mod 2], with n>=0 - Paolo P. Lava (paoloplava(AT)gmail.com), Feb 15 2008
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CROSSREFS
| Cf. A090964.
Sequence in context: A066919 A084117 A116895 * A165258 A092962 A112924
Adjacent sequences: A134264 A134265 A134266 * A134268 A134269 A134270
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KEYWORD
| nonn
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AUTHOR
| Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Jan 15 2008
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