A067487 Powers of 9 with initial digit 9.

9, 984770902183611232881, 969773729787523602876821942164080815560161, 955004950796825236893190701774414011919935138974343129836853841, 940461086986004843694934910131056317906479029659199959555574885740211572136210345921

Offset: 1

Author

Amarnath Murthy, Feb 09 2002

Keywords

• base
• easy
• nonn

Links

• Muniru A Asiru, Table of n, a(n) for n = 1..48

Crossrefs

Cf. A067480, A067481, A067482, A067483, A067484, A067485, A067486.

Programs

GAP

Filtered(List([0..100],n->9^n),i->ListOfDigits(i)[1]=9); # Muniru A Asiru, Oct 21 2018

Magma

[9^n: n in [1..100] | Intseq(9^n)[#Intseq(9^n)] eq 9]; // Vincenzo Librandi, Oct 22 2018

Mathematica

 Select[9^Range[100], First[IntegerDigits[#]]==9 &] (* Vincenzo Librandi, Oct 22 2018 *)

Extensions

More terms from Benoit Cloitre, Feb 28 2002