login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A027482 n(n^3-1)/2. 1
7, 39, 126, 310, 645, 1197, 2044, 3276, 4995, 7315, 10362, 14274, 19201, 25305 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

COMMENTS

Row sums in an n X n X n pandiagonal magic cube with entries (0..n^3-1).

Equals A058895/2. - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 28 2008

LINKS

S. Gartenhaus, Odd order pandiagonal latin and magic cubes....

FORMULA

Numerators of sequence a[ n, n-1 ] in (a[ i, j ])^3 where a[ i, j ] = s(i, j)/i! if j<=i, 0 if j>i

a(n)=A000217(n^2)-A000217(n) - Jon Perry (perry(AT)globalnet.co.uk), Jul 21 2003

MAPLE

seq(sum(n^3-1, k=1..n)/2, n=2..33); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 28 2008

MATHEMATICA

Table[(m^4 - m)/2, {m, 44}] - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 21 2007

PROG

(PARI) t(n)=n*(n+1)/2; for(n=0, 50, print1(t(n^2)-t(n)", "))

CROSSREFS

Second diagonal of A027478.

Sequence in context: A027241 A056197 A158576 * A196782 A128554 A032207

Adjacent sequences:  A027479 A027480 A027481 * A027483 A027484 A027485

KEYWORD

nonn

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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 February 17 17:51 EST 2012. Contains 206061 sequences.