|
|
1, 1, 3, 6, 9, 12, 16, 20, 24, 28, 33, 38, 43, 48, 53, 58, 63, 69, 75, 81, 87, 93, 99, 105, 111, 117, 123, 129, 136, 143, 150, 157, 164, 171, 178, 185, 192, 199, 206, 213, 220, 227, 234, 241, 248, 255, 263, 271, 279, 287, 295, 303, 311, 319, 327, 335, 343, 351
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,3
|
|
|
FORMULA
| a(n)=sum{1<=k<=n, A130247(k)}=2+(n+1)*A130247(n)-A000032(A130247(n)+2) for n>=3. G.f.: g(x)=1/(1-x)^2*(sum{k>=1, x^Lucas(k)}-x^2).
|
|
|
CROSSREFS
| Other related sequences: A000032, A130241, A130242, A130243, A130244, A130245, A130246, A130251, A130254, A130257, A130261. Fibonacci inverse see A130233 - A130240, A104162.
Sequence in context: A186156 A084515 A084525 * A203302 A194199 A072567
Adjacent sequences: A130245 A130246 A130247 * A130249 A130250 A130251
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), May 19 2007
|
|
