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A133711 Column l=4 of irregular triangle in A133709. 1
0, 0, 140, 1435, 7693, 30450, 100330, 291265, 769015, 1883436, 4336320, 9475195, 19790605, 39733150, 77020830, 144681850, 264178990, 470096240, 817045500, 1389681375, 2317008105, 3792539410, 6102347050, 9663627675, 15077153821, 23197881100 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

MAPLE

A133711 := proc(m)

        A133709(m, 4) ;

end proc:

seq(A133711(m), m=1..30) ; # R. J. Mathar, Nov 23 2011

CROSSREFS

Sequence in context: A184386 A184378 A180294 * A184377 A199831 A128193

Adjacent sequences:  A133708 A133709 A133710 * A133712 A133713 A133714

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Dec 30 2007

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.