login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A088655
a(n) is the absolute value of floor(x^n), where x=E/(2-E) = -3.784422... is derived from E=A001113.
1
4, 14, 55, 205, 777, 2937, 11118, 42072, 159220, 602554, 2280320, 8629690, 32658395, 123593159, 467728718, 1770083028, 6698741833, 25350868523, 95938394252, 363071406534, 1374015557281, 5199855228676, 19678448512407
OFFSET
1,1
MATHEMATICA
digits=40 a = Table[Floor[Abs[(E/(2-E))^n]], {i, 1, digits}]
PROG
(Maxima) A088655(n) := block(
abs(floor((%e/(2-%e))^n))
)$
for n : 1 thru 20 do print(A088655(n)) ; /* R. J. Mathar, Feb 23 2012 */
CROSSREFS
Sequence in context: A045501 A162481 A280208 * A302288 A149490 A304977
KEYWORD
nonn,easy
AUTHOR
Roger L. Bagula, Nov 21 2003
STATUS
approved