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A021408 Decimal expansion of 1/404. 1
0, 0, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2, 4, 7, 5, 2 (list; constant; graph; refs; listen; history; internal format)
OFFSET

0,3

FORMULA

a(n)=(1/4){[(n+1) mod 4]+6*[(n+2) mod 4]+5*[(n+3) mod 4]}-7*[C(2*n,n) mod 2]-5*{C[(n+1)^2,n+3] mod 2} - Paolo P. Lava (paoloplava(AT)gmail.com), Feb 25 2008

CROSSREFS

Sequence in context: A074958 A167280 A019966 * A011178 A136790 A073158

Adjacent sequences:  A021405 A021406 A021407 * A021409 A021410 A021411

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 13 20:10 EST 2012. Contains 205553 sequences.