|
| |
|
|
A138200
|
|
(14^(2*n+1) + 3^(2*n+1)) / 17.
|
|
1
| |
|
|
1, 163, 31651, 6200923, 1215356851, 238209726283, 46689104402851, 9151064445421243, 1793608631144725651, 351547291702945685803, 68903269173764569541251, 13505040758057740566199963
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
FORMULA
| a(n+1) = 9*a(n) + 11*14^(2*n+1), a(0) = 1.
O.g.f.: [14/(1-196x)+3/(1-9x)]/17 . - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 07 2008
|
|
|
PROG
| (MAGMA)[(14^(2*n+1)+3^(2*n+1))/17: n in [0..50]]; [From Vincenzo Librandi, Dec 27 2010]
|
|
|
CROSSREFS
| a(n) = A138199(n)/17.
Sequence in context: A134160 A049498 A138932 * A146504 A145741 A127882
Adjacent sequences: A138197 A138198 A138199 * A138201 A138202 A138203
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 05 2008
|
| |
|
|
