|
|
A232739
|
|
Iterates of Hofstadter's A030124: start with a(1) = A030124(1) = 2, thereafter a(n) = A030124(a(n-1)).
|
|
8
|
|
|
2, 4, 6, 9, 13, 17, 22, 28, 34, 41, 49, 58, 67, 77, 88, 100, 112, 125, 139, 154, 169, 185, 202, 220, 239, 258, 278, 299, 321, 344, 367, 391, 416, 442, 469, 497, 525, 554, 584, 615, 647, 680, 713, 747, 782, 818, 855, 893, 931, 970, 1010, 1051, 1093, 1136, 1179
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Is the ratio A005228(n)/a(n) converging towards 1 or some larger value? (Cf. the graph drawn by the OEIS Server's plot2-link).
Cf. also M. F. Hasler's comment in A030124.
|
|
LINKS
|
|
|
FORMULA
|
a(1) = 2, and for n> 1, a(n) = A030124(a(n-1)).
For all n >= 1, a(n) = A225850(a(n+1))/2.
|
|
PROG
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|