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A021732
Decimal expansion of 1/728.
0
0, 0, 1, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6
OFFSET
0,4
FORMULA
From Chai Wah Wu, Apr 22 2024: (Start)
a(n) = a(n-1) - a(n-3) + a(n-4) for n > 6.
G.f.: x^2*(-5*x^4 + 3*x^3 - 4*x^2 - 2*x - 1)/(x^4 - x^3 + x - 1). (End)
MATHEMATICA
First[RealDigits[1/728, 10, 100, -1]] (* Paolo Xausa, Jul 05 2024 *)
CROSSREFS
Cf. A021368.
Sequence in context: A060443 A020810 A248895 * A329341 A244191 A161973
KEYWORD
nonn,cons
AUTHOR
STATUS
approved