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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

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.