|
| |
|
|
A113806
|
|
Numbers that are congruent to {6, 8} mod 14.
|
|
4
| |
|
|
6, 8, 20, 22, 34, 36, 48, 50, 62, 64, 76, 78, 90, 92, 104, 106, 118, 120, 132, 134, 146, 148, 160, 162, 174, 176, 188, 190, 202, 204, 216, 218, 230, 232, 244, 246, 258, 260, 272, 274, 286, 288, 300, 302, 314, 316, 328, 330, 342, 344, 356, 358, 370
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
FORMULA
| a(n)=14*n-a(n-1)-14 (with a(1)=6) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 13 2010]
Contribution from Wolfdieter Lang, Dec 15 2011 (Start)
a(n) = 7*n-(7+5*(-1)^n)/2.
O.g.f.: 2*x*(3+x+3*x^2)/((1+x)*(1-x)^2).
See the Bruno Berselli contribution under A113801.
(End)
|
|
|
MATHEMATICA
| Flatten[# + {6, 8} &/@ (14 Range[0, 30])] (* From Harvey P. Dale, Jan 11 2011 *)
|
|
|
CROSSREFS
| Cf. A113801-A113805, A008589, A113807.
Sequence in context: A173975 A199884 A028331 * A105775 A159469 A191697
Adjacent sequences: A113803 A113804 A113805 * A113807 A113808 A113809
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Jan 22 2006
|
| |
|
|
