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A118986 Number of different values taken by the permanent of a symmetric real (0,1)-matrix of order n. 3

%I #9 Jun 12 2024 18:04:41

%S 1,2,3,6,14,46,176,908,5802

%N Number of different values taken by the permanent of a symmetric real (0,1)-matrix of order n.

%H Minfeng Wang, <a href="/A118986/a118986.cpp.txt">C++ program to calculate A118986</a>

%Y Cf. A087983, A118985, A118987, A118988.

%K nonn,more,changed

%O 0,2

%A _Giovanni Resta_, May 08 2006

%E a(8) from _Minfeng Wang_, Jun 12 2024

%E a(0)=1 prepended by _Alois P. Heinz_, Jun 12 2024

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Last modified June 15 19:43 EDT 2024. Contains 373410 sequences. (Running on oeis4.)