

A114724


Each term is the sum of the next two digits.


1



2, 11, 6, 5, 14, 9, 5, 4, 13, 8, 5, 3, 2, 11, 6, 5, 14, 9, 5, 4, 13, 8, 5, 3, 2, 11, 6, 5, 14, 9, 5, 4, 13, 8, 5, 3, 2, 11, 6, 5, 14, 9, 5, 4, 13, 8, 5, 3, 2, 11, 6, 5, 14, 9, 5, 4, 13, 8, 5, 3, 2, 11, 6, 5, 14, 9, 5, 4, 13, 8, 5, 3, 2, 11, 6, 5, 14, 9, 5, 4, 13, 8, 5, 3, 2, 11, 6, 5
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..88.
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).


FORMULA

Cycles with period 12.
a(n)=(1/792)*{151*(n mod 12)+217*[(n+1) mod 12]+283*[(n+2) mod 12]+415*[(n+3) mod 12]509*[(n+4) mod 12]+151*[(n+5) mod 12]+349*[(n+6) mod 12]+415*[(n+7) mod 12]509*[(n+8) mod 12]+151*[(n+9) mod 12]+415*[(n+10) mod 12]509*[(n+11) mod 12, with n>=0  Paolo P. Lava, Feb 22 2008


EXAMPLE

E.g. 2=1+1, 11=6+5, ...


MATHEMATICA

PadRight[{}, 120, {2, 11, 6, 5, 14, 9, 5, 4, 13, 8, 5, 3}] (* Harvey P. Dale, May 23 2019 *)


PROG

(Magma) &cat[[2, 11, 6, 5, 14, 9, 5, 4, 13, 8, 5, 3]^^10]; // Vincenzo Librandi, May 27 2019


CROSSREFS

Cf. A113779.
Sequence in context: A339807 A158616 A127821 * A226219 A285866 A165768
Adjacent sequences: A114721 A114722 A114723 * A114725 A114726 A114727


KEYWORD

nonn,base


AUTHOR

N. J. A. Sloane, based on Dec 06 2005 posting from Mike Stay to the SeqFan list, Feb 27 2006


STATUS

approved



