[go: up one dir, main page]

login
A067483
Powers of 5 with initial digit 5.
16
5, 59604644775390625, 582076609134674072265625, 5684341886080801486968994140625, 55511151231257827021181583404541015625, 542101086242752217003726400434970855712890625
OFFSET
1,1
COMMENTS
Each term also has final digit 5. - Muniru A Asiru, Oct 13 2018
LINKS
MATHEMATICA
Select[5^Range[70], First[IntegerDigits[#]]==5&] (* Harvey P. Dale, Apr 01 2011 *)
PROG
(GAP) k:=5;; Filtered(List([0..100], n->k^n), i->ListOfDigits(i)[1]=k); # Muniru A Asiru, Oct 06 2018
(PARI) lista(nn) = {for (n=1, nn, if (digits(p=5^n)[1] == 5, print1(p, ", ")); ); } \\ Michel Marcus, Oct 14 2018
CROSSREFS
Subsequence of A000351 (powers of 5).
Similar entries with another digit: A067480 (2), A067481 (3), A067482 (4).
Sequence in context: A177164 A324220 A273941 * A186685 A341882 A307382
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Feb 09 2002
EXTENSIONS
Edited by Frank Ellermann, Feb 11 2002
One more term from Harvey P. Dale, Apr 01 2011
STATUS
approved