0,7
seq(floor(binomial(n, 4)/4), n=0.. 39); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 12 2009]
A column of triangle A011857.
Sequence in context: A033816 A011889 A105163 this_sequence A141422 A001580 A002625
Adjacent sequences: A011847 A011848 A011849 this_sequence A011851 A011852 A011853
nonn
N. J. A. Sloane (njas(AT)research.att.com).
Search completed in 0.002 seconds