This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A051137 Table T(n,k) read by antidiagonals: number of necklaces allowing turnovers (bracelets) with n beads of k colors. 0
 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 6, 10, 10, 5, 1, 1, 8, 21, 20, 15, 6, 1, 1, 13, 39, 55, 35, 21, 7, 1, 1, 18, 92, 136, 120, 56, 28, 8, 1, 1, 30, 198, 430, 377, 231, 84, 36, 9, 1, 1, 46, 498, 1300, 1505, 888, 406, 120, 45, 10, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 LINKS C. G. Bower, Transforms (2) EXAMPLE Table begins: 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 1 3 6 10 15 21 28 36 1 4 10 20 35 56 84 1 6 21 55 120 231 1 8 39 136 377 1 13 92 430 1 18 198 CROSSREFS Columns give bracelet sequences A000029, A027671, A032275 etc. while rows include A000217, A000292, A002817 and A027670. Cf. A000031. Cf. A081720, A081721. Sequence in context: A119724 A162424 A008571 * A183328 A034328 A034253 Adjacent sequences:  A051134 A051135 A051136 * A051138 A051139 A051140 KEYWORD nice,nonn,tabl AUTHOR 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 .

Last modified May 21 06:21 EDT 2013. Contains 225475 sequences.