|
| |
|
|
A114513
|
|
Number of terms in s(n), where s(n) is defined at sequence A114511.
|
|
1
|
|
|
|
1, 3, 5, 7, 9, 13, 15, 21, 23, 31, 33, 35, 37, 47, 49, 63, 65, 67, 69, 71, 75, 91, 93, 115, 117, 119, 121, 123, 127, 129, 135, 159, 161, 193, 195, 229, 231, 267, 269, 271, 273, 275, 279, 281, 287, 289, 297, 335, 337, 385, 387, 389, 391, 393, 397, 399, 405, 407
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,2
|
|
|
LINKS
|
Table of n, a(n) for n=0..57.
|
|
|
EXAMPLE
|
s(3), as defined at A114511, is {0,0,0,0,1,0,2}; so a(3) = 7.
|
|
|
MATHEMATICA
|
s[0] = {0}; s[n_] := s[n] = Flatten[{s[n - 1], s[s[n - 1][[n]]], {n - 1}}]; Table[Length[s[n]], {n, 0, 57}] (*Chandler*)
|
|
|
CROSSREFS
|
Cf. A114511.
Sequence in context: A157048 A190857 A003543 * A191186 A174572 A218584
Adjacent sequences: A114510 A114511 A114512 * A114514 A114515 A114516
|
|
|
KEYWORD
|
easy,nonn
|
|
|
AUTHOR
|
Leroy Quet Dec 03 2005
|
|
|
EXTENSIONS
|
Extended by Ray Chandler, Dec 05 2005
|
|
|
STATUS
|
approved
|
| |
|
|