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%I #21 Oct 20 2023 09:47:45
%S 0,0,0,2,5,18,96
%N a(n) is the number of solutions to the n-term Znám problem.
%C Three results are missing for a(7) in Eric Weisstein's World of Mathematics: [2, 3, 7, 43, 3263, 4051, 2558951] [2, 3, 11, 25, 29, 1097, 2753] [2, 3, 13, 25, 29, 67, 2981]. - _Zhao Hui Du_, Jan 24 2010
%H Zhao Hui Du, <a href="http://zdu.spaces.live.com/blog/cns!C95152CB25EF2037!210.entry">all results for a(8)</a>. [Broken link]
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ZnamsProblem.html">Znám's Problem</a>.
%Y Cf. A075461.
%K nonn,more,hard
%O 2,4
%A _Eric W. Weisstein_, Sep 16 2002
%E a(7)-a(8) corrected by _Zhao Hui Du_, Jan 24 2010
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