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A067489 Powers of 3 with initial digit 1. 7
1, 19683, 177147, 1594323, 14348907, 129140163, 1162261467, 10460353203, 1853020188851841, 16677181699666569, 150094635296999121, 1350851717672992089, 12157665459056928801, 109418989131512359209 (list; graph; refs; listen; history; text; internal format)
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: A224654 A250601 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

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Last modified October 17 21:17 EDT 2021. Contains 348065 sequences. (Running on oeis4.)