A067489 Powers of 3 with initial digit 1.

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

Offset

1,2

Links

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

Mathematica

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

Prog

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

Crossrefs

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

Sequence in context: A250601 A373476 A250594 * A250510 A250508 A250507

Adjacent sequences: A067486 A067487 A067488 * A067490 A067491 A067492

Keyword

base,easy,nonn

Author

Amarnath Murthy, Feb 09 2002

Extensions

Offset 1 from Michel Marcus, Oct 19 2018

Status

approved