login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A021487
Decimal expansion of 1/483.
0
0, 0, 2, 0, 7, 0, 3, 9, 3, 3, 7, 4, 7, 4, 1, 2, 0, 0, 8, 2, 8, 1, 5, 7, 3, 4, 9, 8, 9, 6, 4, 8, 0, 3, 3, 1, 2, 6, 2, 9, 3, 9, 9, 5, 8, 5, 9, 2, 1, 3, 2, 5, 0, 5, 1, 7, 5, 9, 8, 3, 4, 3, 6, 8, 5, 3, 0, 0, 2, 0, 7, 0, 3, 9, 3, 3, 7, 4, 7, 4, 1, 2, 0, 0, 8, 2, 8, 1, 5, 7, 3, 4, 9, 8, 9, 6, 4, 8, 0
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1,-1,1).
FORMULA
From Chai Wah Wu, Aug 10 2020: (Start)
a(n) = a(n-1) - a(n-2) + a(n-3) - a(n-4) + a(n-5) - a(n-6) + a(n-7) - a(n-8) + a(n-9) - a(n-10) + a(n-11) - a(n-12) + a(n-13) - a(n-14) + a(n-15) - a(n-16) + a(n-17) - a(n-18) + a(n-19) - a(n-20) + a(n-21) - a(n-22) + a(n-23) - a(n-24) + a(n-25) - a(n-26) + a(n-27) - a(n-28) + a(n-29) - a(n-30) + a(n-31) - a(n-32) + a(n-33) - a(n-34) + a(n-35) - a(n-36) + a(n-37) - a(n-38) + a(n-39) - a(n-40) + a(n-41) - a(n-42) + a(n-43) - a(n-44) + a(n-45) - a(n-46) + a(n-47) - a(n-48) + a(n-49) - a(n-50) + a(n-51) - a(n-52) + a(n-53) - a(n-54) + a(n-55) - a(n-56) + a(n-57) - a(n-58) + a(n-59) - a(n-60) + a(n-61) - a(n-62) + a(n-63) - a(n-64) + a(n-65) for n > 64.
G.f.: x^2*(-3*x^62 - 2*x^61 - 6*x^60 - 3*x^58 - x^57 - 2*x^56 - 6*x^55 - 3*x^54 - 2*x^53 - 5*x^52 + 4*x^51 - 9*x^50 + 9*x^49 - 14*x^48 + 12*x^47 - 15*x^46 + 14*x^45 - 16*x^44 + 7*x^43 - 12*x^42 + 4*x^41 - 9*x^40 - 9*x^38 + 6*x^37 - 15*x^36 + 13*x^35 - 19*x^34 + 17*x^33 - 18*x^32 + 15*x^31 - 18*x^30 + 18*x^29 - 26*x^28 + 22*x^27 - 28*x^26 + 19*x^25 - 27*x^24 + 18*x^23 - 22*x^22 + 19*x^21 - 26*x^20 + 21*x^19 - 22*x^18 + 14*x^17 - 16*x^16 + 8*x^15 - 8*x^14 + 8*x^13 - 10*x^12 + 9*x^11 - 13*x^10 + 6*x^9 - 10*x^8 + 3*x^7 - 6*x^6 + 3*x^5 - 12*x^4 + 9*x^3 - 9*x^2 + 2*x - 2)/((x - 1)*(x^2 - x + 1)*(x^2 + x + 1)*(x^10 - x^9 + x^8 - x^7 + x^6 - x^5 + x^4 - x^3 + x^2 - x + 1)*(x^10 + x^9 + x^8 + x^7 + x^6 + x^5 + x^4 + x^3 + x^2 + x + 1)*(x^20 - x^19 + x^17 - x^16 + x^14 - x^13 + x^11 - x^10 + x^9 - x^7 + x^6 - x^4 + x^3 - x + 1)*(x^20 + x^19 - x^17 - x^16 + x^14 + x^13 - x^11 - x^10 - x^9 + x^7 + x^6 - x^4 - x^3 + x + 1)). (End)
CROSSREFS
Sequence in context: A283654 A291373 A342700 * A369745 A197391 A340367
KEYWORD
nonn,cons
AUTHOR
STATUS
approved