Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A067627
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A067627 Triangle T(n,k) = number of conjugacy classes of partitions of n using only k types of piles, read by rows. +0
1
1, 1, 1, 1, 1, 2, 3, 1, 1, 3, 2, 1, 6, 1, 3, 7, 2, 5, 9, 2, 1, 8, 11, 2, 1, 13, 14, 1, 3, 19, 15, 3, 5, 27, 19, 1, 11, 34, 22, 2, 1, 15, 49, 23, 2 (list; graph; listen)
OFFSET

1,6

COMMENT

Lengths of rows are 1 1 2 2 2 3 3 3 3 4 4 4 4 4 ... (A003056).

EXAMPLE

Triangle turned on its side begins:

1.1.1.2.1.2.1.2.2..2..1..3..1..2..2....etc

....1.1.3.3.6.7.9.11.14.15.19.22.23....etc

..........1.1.3.5..8.13.19.27.34.49....etc

...................1..1..3..5.11.15....etc

CROSSREFS

Cf. A000700, A000701, A046682, A060177. Diagonals give A038548. row sums give A046682.

Sequence in context: A152735 A046226 A054722 this_sequence A077233 A123185 A133569

Adjacent sequences: A067624 A067625 A067626 this_sequence A067628 A067629 A067630

KEYWORD

easy,more,nonn,tabf

AUTHOR

Naohiro Nomoto (n_nomoto(AT)yabumi.com), Feb 02 2002

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research