A067489 Powers of 3 with initial digit 1.

1, 19683, 177147, 1594323, 14348907, 129140163, 1162261467, 10460353203, 1853020188851841, 16677181699666569, 150094635296999121, 1350851717672992089, 12157665459056928801, 109418989131512359209

Offset: 1

Author

Amarnath Murthy, Feb 09 2002

Keywords

• base
• easy
• nonn

Links

• Muniru A Asiru, Table of n, a(n) for n = 1..625

Crossrefs

Cf. A067480, A067481, A067482, A067483, A067484, A067485, A067486, A067487, A067488.

Programs

GAP

Filtered(List([0..50],n->3^n),i->ListOfDigits(i)[1]=1); # Muniru A Asiru, Oct 22 2018

Mathematica

Select[3^Range[0,5*10^6],First[IntegerDigits[#]]==1&] (* Harvey P. Dale, Oct 09 2015 *)

Extensions

Offset 1 from Michel Marcus, Oct 19 2018