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A118862
Start with 1 and repeatedly place the first digit at the end of the number and add 15.
0
1, 16, 76, 82, 43, 49, 109, 106, 76, 82, 43, 49, 109, 106, 76, 82, 43, 49, 109, 106, 76, 82, 43, 49, 109, 106, 76, 82, 43, 49, 109, 106, 76, 82, 43, 49, 109, 106, 76, 82, 43, 49, 109, 106, 76, 82, 43, 49, 109, 106, 76, 82, 43, 49, 109, 106, 76, 82, 43, 49, 109, 106, 76, 82
OFFSET
1,2
COMMENTS
After 2 steps the sequence enters a cycle of length 6.
FORMULA
a(n) = a(n-6) for n>8. - Colin Barker, Oct 02 2014
G.f.: -x*(90*x^7+108*x^6+49*x^5+43*x^4+82*x^3+76*x^2+16*x+1) / ((x-1)*(x+1)*(x^2-x+1)*(x^2+x+1)). - Colin Barker, Oct 02 2014
MATHEMATICA
NestList[FromDigits[RotateLeft[IntegerDigits[#]]]+15&, 1, 70] (* or *) PadRight[ {1, 16}, 70, {109, 106, 76, 82, 43, 49}] (* Harvey P. Dale, Sep 20 2014 *)
PROG
(PARI) Vec((90*x^7+108*x^6+49*x^5+43*x^4+82*x^3+76*x^2+16*x+1)/(-x^6+1) + O(x^100)) \\ Colin Barker, Oct 02 2014
CROSSREFS
Sequence in context: A244835 A189949 A103111 * A118532 A253691 A300919
KEYWORD
base,nonn,easy
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), May 24 2006
STATUS
approved