|
|
A084809
|
|
Least positive integers, all distinct, that satisfy sum(n>0,1/a(n)^z)=0, where z=(1+I*sqrt(3))/2.
|
|
3
|
|
|
1, 8, 12, 16, 21, 27, 33, 41, 49, 58, 67, 78, 89, 102, 114, 128, 143, 158, 174, 191, 208, 227, 246, 266, 286, 308, 330, 353, 377, 402, 427, 454, 481, 508, 537, 566, 597, 627, 659, 692, 725, 759, 794, 829, 866, 903, 941, 980, 1019, 1060, 1101, 1143, 1185, 1229
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
Sequence satisfies sum(n>0,1/a(n)^z)=0 by requiring that the modulus of the successive partial sums are monotonically decreasing in magnitude for the given z.
|
|
LINKS
|
|
|
PROG
|
(PARI) S=0; w=1; a=0; for(n=1, 100, b=a+1; while(abs(S+exp(-z*log(b)))>w, b++); S=S+exp(-z*log(b)); w=abs(S); a=b; print1(b, ", "))
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
_Paul D. Hanna_, Jun 04 2003
|
|
STATUS
|
approved
|
|
|
|