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A123281 Leading diagonal of A123260. 3

%I

%S 1,1,1,5,19,205,1795,36317,636331,23679901,805351531,56294206205,

%T 3735873535339,502757743028605,65725984337422795,17309316971673776957,

%U 4485620580863732681131

%N Leading diagonal of A123260.

%D R. W. Robinson, Numerical implementation of graph counting algorithms, AGRC Grant, Math. Dept., Univ. Newcastle, Australia, 1977.

%H R. W. Robinson, <a href="/A123281/b123281.txt">Table of n, a(n) for n = 1..30</a>

%K nonn

%O 1,4

%A _N. J. A. Sloane_, Nov 12 2006

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Last modified October 16 00:29 EDT 2021. Contains 348034 sequences. (Running on oeis4.)