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Number of fixed polypentagrams with n cells.
0

%I #9 Apr 26 2023 07:06:28

%S 2,10,70,550,4590,39774,353860,3210940,29581000,275808700,2596707296

%N Number of fixed polypentagrams with n cells.

%H George Sicherman, <a href="https://sicherman.net/polypgrams/">Catalogue of Polypentagrams</a>

%Y Cf. A211179, A354306.

%K nonn,more,hard

%O 1,1

%A _Aaron N. Siegel_, May 23 2022