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A146989 Periodic sequence with period {15,2,1,13,1}. 0
15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2, 1, 13, 1, 15, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Continued fraction for (317+sqrt(128165))/44 = 15.34094083284... - Philippe Deléham, Nov 11 2008

LINKS

Table of n, a(n) for n=0..86.

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

FORMULA

a(n) = (1/25)*(-54*(n mod 5) + 76*((n+1) mod 5) - 44*((n+2) mod 5) + 21*((n+3) mod 5) + 81*((n+4) mod 5)), with n >= 0. - Paolo P. Lava, Nov 06 2008

O.g.f: ((15 + 2*x + x^2 + 13*x^3 + x^4)/(1-x^5)). - Richard Choulet, Nov 21 2008

CROSSREFS

Sequence in context: A027497 A040221 A040220 * A166031 A040222 A040223

Adjacent sequences:  A146986 A146987 A146988 * A146990 A146991 A146992

KEYWORD

nonn,easy

AUTHOR

Philippe Deléham, Nov 04 2008

STATUS

approved

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Last modified October 25 08:40 EDT 2021. Contains 348239 sequences. (Running on oeis4.)