This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A066453 #8 Sep 20 2024 03:04:24 %S A066453 0,0,0,1,17,127,941,6662,47771,344708,2518713,18585455,138434899, %T A066453 1039401564,7859310749,59794417068,457408090798,3516003907738, %U A066453 27144132395911,210375321159360,1636229683680890,12766881894462441 %N A066453 Number of 3-dimensional polyominoes (or polycubes) with n cells and trivial rotational symmetry group. %C A066453 The sequence counts "one-sided" polycubes (A000162); chiral polycubes count twice. - _John Mason_, Sep 19 2024 %D A066453 W. F. Lunnon, Symmetry of cubical and general polyominoes, pp. 101-108 of R. C. Read, editor, Graph Theory and Computing. Academic Press, NY, 1972. %F A066453 a(n) = 2*I(n)+E(n)+F(n)+K(n), see Lunnon paper for naming convention. - _John Mason_, Sep 19 2024 %Y A066453 Cf. A000162, A066454, A066273, A066281, A066283, A066287, A066288. %K A066453 nonn %O A066453 1,5 %A A066453 Brendan Owen (brendan_owen(AT)yahoo.com), Dec 27 2001 %E A066453 Name clarified by and more terms from _John Mason_, Sep 19 2024