A021510 Decimal expansion of 1/506.

0, 0, 1, 9, 7, 6, 2, 8, 4, 5, 8, 4, 9, 8, 0, 2, 3, 7, 1, 5, 4, 1, 5, 0, 1, 9, 7, 6, 2, 8, 4, 5, 8, 4, 9, 8, 0, 2, 3, 7, 1, 5, 4, 1, 5, 0, 1, 9, 7, 6, 2, 8, 4, 5, 8, 4, 9, 8, 0, 2, 3, 7, 1, 5, 4, 1, 5, 0, 1, 9, 7, 6, 2, 8, 4, 5, 8, 4, 9, 8, 0, 2, 3, 7, 1, 5, 4, 1, 5, 0, 1, 9, 7, 6, 2, 8, 4, 5, 8

Offset

0,4

Links

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

Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,0,0,0,0,-1,1).

Formula

From Chai Wah Wu, Aug 10 2020: (Start)

a(n) = a(n-1) - a(n-11) + a(n-12) for n > 12.

G.f.: x^2*(-5*x^10 + 4*x^9 - 3*x^8 - x^7 + 4*x^6 - 6*x^5 + 4*x^4 + x^3 + 2*x^2 - 8*x - 1)/(x^12 - x^11 + x - 1). (End)

Crossrefs

Sequence in context: A021839 A349009 A094131 * A199272 A020840 A069181

Adjacent sequences: A021507 A021508 A021509 * A021511 A021512 A021513

Keyword

nonn,cons

Author

N. J. A. Sloane.

Status

approved