

A168186


Positive numbers that are not multiples of 12.


4



1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,2


COMMENTS

A168185(a(n)) = 1; complement of A008594;
A109015(a(n)) < 12.
121 (in decimal) is a member of this sequence but not a member of A023805.  Robert Munafo, Jan 26 2010
80 is a member of this sequence but is not a member of A160453.  Franklin T. AdamsWatters, Jan 26 2010


LINKS

G. C. Greubel, Table of n, a(n) for n = 1..1000


FORMULA

From Chai Wah Wu, Jan 16 2020: (Start)
a(n) = a(n1) + a(n11)  a(n12) for n > 12.
G.f.: x*(x^11 + x^10 + x^9 + x^8 + x^7 + x^6 + x^5 + x^4 + x^3 + x^2 + x + 1)/(x^12  x^11  x + 1). (End)


EXAMPLE

156 is in A023805 but not in this sequence.  Franklin T. AdamsWatters, Jan 26 2010


MATHEMATICA

Select[Table[n, {n, 200}], Mod[#, 12]!=0&] (* Vladimir Joseph Stephan Orlovsky, Feb 18 2011*)


CROSSREFS

All three of A023805, A160453, A168186 are different.
Sequence in context: A183224 A098240 A023805 * A085235 A160453 A325778
Adjacent sequences: A168183 A168184 A168185 * A168187 A168188 A168189


KEYWORD

nonn


AUTHOR

Reinhard Zumkeller, Nov 30 2009


STATUS

approved



