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A021400 Decimal expansion of 1/396. 0
0, 0, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..98.

FORMULA

a(n)=(1/2)*[7-3*(-1)^n]-2*[C(2*n,n) mod 2]-5*{C[(n+1)^4,n+3] mod 2}, with n>=0 [From Paolo P. Lava, Nov 11 2009]

CROSSREFS

Sequence in context: A221676 A073054 A010695 * A059855 A082881 A104289

Adjacent sequences:  A021397 A021398 A021399 * A021401 A021402 A021403

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified September 21 19:57 EDT 2020. Contains 337273 sequences. (Running on oeis4.)