|
Search: id:A001520
|
|
| |
|
| 15, 693, 3315, 9177, 19575, 35805, 59163, 90945, 132447, 184965, 249795, 328233, 421575, 531117, 658155, 803985, 969903, 1157205, 1367187, 1601145, 1860375, 2146173, 2459835, 2802657, 3175935
(list; graph; listen)
|
|
|
OFFSET
|
0,1
|
|
|
COMMENT
|
Sum_{k>=0} 1/a(k) = log(3)/16 [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Oct 20 2009]
|
|
FORMULA
|
G.f.: 3*(1+x)*(5+206*x+5*x^2)/(1-x)^4 [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Oct 20 2009]
|
|
CROSSREFS
|
Adjacent sequences: A001517 A001518 A001519 this_sequence A001521 A001522 A001523
Sequence in context: A092958 A079600 A166186 this_sequence A062079 A062032 A117812
|
|
KEYWORD
|
nonn,new
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
Search completed in 0.002 seconds
|
