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A133723 Column 4 of triangle in A133721. 2
0, 0, 0, 1, 1, 1, 1, 1, 13, 7, 3, 1, 81, 25, 6, 1, 325, 65, 10, 1, 995, 140, 15, 1, 2541, 266, 21, 1, 5698, 462, 28, 1, 11586, 750, 36, 1, 21825, 1155, 45, 1, 38665, 1705, 55, 1, 65131, 2431, 66, 1, 105183, 3367, 78, 1, 163891, 4550, 91, 1 (list; graph; refs; listen; history; internal format)
OFFSET

1,9

MAPLE

A133723 := proc(n)

        A133721(n, 4) ;

end proc:

seq(A133723(n), n=1..60) ; # R. J. Mathar, Nov 23 2011

CROSSREFS

Sequence in context: A206612 A160247 A078438 * A095389 A206611 A152142

Adjacent sequences:  A133720 A133721 A133722 * A133724 A133725 A133726

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 18:22 EST 2012. Contains 205835 sequences.