|
| |
|
|
A110671
|
|
Sequence is {a(6,n)}, where a(m,n) is defined at sequence A110665.
|
|
7
| |
|
|
0, 1, 6, 18, 34, 39, 6, -97, -300, -633, -1138, -1881, -2952, -4452, -6480, -9135, -12534, -16830, -22212, -28886, -37056, -46926, -58724, -72726, -89256, -108661, -131286, -157476, -187606, -222111, -261486, -306255, -356940, -414063, -478182, -549927, -630000, -719138, -818076
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,3
|
|
|
EXAMPLE
| a(0,n): 0, 1, 0, -3, -4,...
a(1,n): 0, 1, 1, -2, -6,...
a(2,n): 0, 1, 2, 0, -6,...
a(3,n): 0, 1, 3, 3, -3,...
a(4,n): 0, 1, 4, 7, 4,...
Main diagonal of array is 0, 1, 2, 3, 4,...
|
|
|
MAPLE
| A11066x := proc(mmax, nmax) local a, i, j ; a := array(0..mmax, 0..nmax) ; a[0, 0] := 0 ; for i from 1 to nmax do a[0, i] := i-sum(binomial(2*i-k-1, i-1)*a[0, k], k=0..i-1) : od ; for j from 1 to mmax do a[j, 0] := 0 ; for i from 1 to nmax do a[j, i] := a[j-1, i]+a[j, i-1] ; od ; od ; RETURN(a) ; end : nmax := 100 : m := 6: a := A11066x(m, nmax) : for n from 0 to nmax do printf("%d, ", a[m, n]) ; od ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 01 2006
|
|
|
CROSSREFS
| Cf. A110665, A110666, A110667, A110668, A110669, A110670, A110672.
Sequence in context: A096286 A124353 A153126 * A134078 A181510 A038343
Adjacent sequences: A110668 A110669 A110670 * A110672 A110673 A110674
|
|
|
KEYWORD
| easy,sign
|
|
|
AUTHOR
| Leroy Quet Aug 02 2005
|
|
|
EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 01 2006
|
| |
|
|