%I #11 Apr 05 2018 22:41:41

%S 0,0,0,0,4,39,456,5554,63378,698568,7391499,75807708

%N Number of genus 2 unsensed hypermaps with n darts.

%H Timothy R. Walsh, <a href="http://www.info2.uqam.ca/~walsh_t/papers/GENERATING NONISOMORPHIC.pdf">Space-efficient generation of nonisomorphic maps and hypermaps</a>

%H T. R. Walsh, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL18/Walsh/walsh3.html">Space-Efficient Generation of Nonisomorphic Maps and Hypermaps</a>, J. Int. Seq. 18 (2015) # 15.4.3

%Y Cf. A090371, A118094, A214819, A214820, A057005; A214821-A214823, A215017, A215018.

%K nonn,more

%O 1,5

%A _N. J. A. Sloane_, Aug 01 2012