This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .