|
|
A093698
|
|
a(n) = floor( e^((n/2)*arccosh(1+sqrt(2))) ).
|
|
1
|
|
|
1, 2, 4, 9, 21, 45, 98, 210, 452, 971, 2085, 4478, 9618, 20654, 44355, 95252, 204549, 439262, 943298, 2025695, 4350099, 9341661, 20060837, 43079834, 92512195, 198666181, 426627554, 916165344, 1967427861, 4224971416, 9072954499
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
|
|
MATHEMATICA
|
Table[ Floor[E^(n/2*ArcCosh[1 + Sqrt[2]])], {n, 0, 30}]
|
|
PROG
|
(PARI) for(n=0, 30, print1(floor(exp((n/2)*acosh(1+sqrt(2)))), ", ")) \\ G. C. Greubel, Oct 01 2018
(Magma) [Floor(Exp((n/2)*Argcosh(1+Sqrt(2)))): n in [0..30]]; // G. C. Greubel, Oct 01 2018
|
|
CROSSREFS
|
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|