Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A072380
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A072380 Third differences of partition numbers A000041. +0
8
-1, 1, -1, 2, -2, 3, -2, 3, -2, 5, -4, 7, -3, 7, -3, 11, -5, 15, -4, 17, -2, 24, -4, 32, 1, 38, 5, 53, 7, 70, 18, 86, 33, 115, 45, 152, 74, 191, 109, 254, 150, 331, 218, 420, 307, 551, 410, 716, 567, 913, 767, 1186, 1015, 1529, 1358, 1951, 1799, 2513, 2344, 3222, 3079, 4096, 4009, 5237, 5173 (list; graph; listen)
OFFSET

0,4

COMMENT

Comtet appears to say this is nonnegative, which is only true for n sufficiently large.

An explanation is given by Odlyzko. - Moshe Newman (moshnoiman(AT)gmail.com), Jun 11 2006

REFERENCES

L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 115.

A. M. Odlyzko, Differences of the partition function, Acta Arith., 49 (1988), pp. 237-254

CROSSREFS

Cf. A000041, A002865, A053445, A081094, A081095.

Sequence in context: A105560 A165916 A096013 this_sequence A144910 A080330 A152872

Adjacent sequences: A072377 A072378 A072379 this_sequence A072381 A072382 A072383

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 25 2003

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 December 1 13:27 EST 2009. Contains 167806 sequences.


AT&T Labs Research