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 A008567 #22 Mar 23 2025 03:57:02 %S A008567 1,6,3,6,2,1,6,1,2,9,6,7,7,7,6,4,6,6,5,6,2,7,9,9,3,6,1,6,7,9,6,1,6,1, %T A008567 0,0,7,7,6,9,6,6,0,4,6,6,1,7,6,3,6,2,7,9,7,0,5,6,2,1,7,6,7,8,2,3,3,6, %U A008567 1,3,0,6,0,6,9,4,0,1,6,7,8,3,6,4,1,6,4,0,9,6,4,7,0,1,8,4,9,8,4 %N A008567 Digits of powers of 6. %C A008567 Irregular table with row length sequence A210436. - _Jason Kimberley_, Nov 26 2012 %C A008567 The constant whose decimal expansion is this sequence is irrational (Mahler, 1981). - _Amiram Eldar_, Mar 23 2025 %H A008567 Seiichi Manyama, <a href="/A008567/b008567.txt">Rows n = 0..100, flattened</a> %H A008567 Kurt Mahler, <a href="https://doi.org/10.1016/0022-314X(81)90010-X">On some irrational decimal fractions</a>, Journal of Number Theory, Vol. 13, No. 2 (1981), pp. 268-269. %e A008567 Triangle begins: %e A008567 1; %e A008567 6; %e A008567 3, 6; %e A008567 2, 1, 6; %e A008567 1, 2, 9, 6; %e A008567 7, 7, 7, 6; %e A008567 4, 6, 6, 5, 6; %e A008567 2, 7, 9, 9, 3, 6; %e A008567 1, 6, 7, 9, 6, 1, 6; %e A008567 1, 0, 0, 7, 7, 6, 9, 6; %e A008567 ... %Y A008567 Cf. A000400, A210436. %Y A008567 Cf. A000455, A008564, A008565, A008566, A008568, A008569, A008570, A008571, A008572, A008573, A010054. %K A008567 nonn,base,easy,tabf %O A008567 0,2 %A A008567 _N. J. A. Sloane_