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 A067487 #16 Sep 08 2022 08:45:05 %S A067487 9,984770902183611232881,969773729787523602876821942164080815560161, %T A067487 955004950796825236893190701774414011919935138974343129836853841, %U A067487 940461086986004843694934910131056317906479029659199959555574885740211572136210345921 %N A067487 Powers of 9 with initial digit 9. %H A067487 Muniru A Asiru, <a href="/A067487/b067487.txt">Table of n, a(n) for n = 1..48</a> %t A067487 Select[9^Range[100], First[IntegerDigits[#]]==9 &] (* _Vincenzo Librandi_, Oct 22 2018 *) %o A067487 (GAP) Filtered(List([0..100],n->9^n),i->ListOfDigits(i)[1]=9); # _Muniru A Asiru_, Oct 21 2018 %o A067487 (Magma) [9^n: n in [1..100] | Intseq(9^n)[#Intseq(9^n)] eq 9]; // _Vincenzo Librandi_, Oct 22 2018 %Y A067487 Cf. A067480, A067481, A067482, A067483, A067484, A067485, A067486. %K A067487 base,easy,nonn %O A067487 1,1 %A A067487 _Amarnath Murthy_, Feb 09 2002 %E A067487 More terms from _Benoit Cloitre_, Feb 28 2002