%I #5 Aug 03 2020 02:57:41
%S 1,3,6,12,24,42,78,144,264,486,894,1620,2964,5376,9798,17760,32292,
%T 58398,105960,191466,346854,626172,1132800,2043246,3692406,6655068,
%U 12015126,21641526,39039810,70277016,126682584,227928780,410605008,738423492,1329477732
%N Number of n-step self-avoiding walks on the honeycomb lattice with no non-contiguous adjacencies.
%Y Cf. A001668 (allowing adjacencies), A174313 (hexagonal lattice), A173380 (square lattice).
%K nonn,walk
%O 0,2
%A _Sean A. Irvine_, Aug 03 2020
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