OFFSET
1,2
COMMENTS
a(n) contains all of a(n-1) as its least significant digits.
LINKS
John Cerkan, Table of n, a(n) for n = 1..13
MATHEMATICA
NestList[FromDigits[Flatten[IntegerDigits/@(6 IntegerDigits[#])]]&, 1, 10] (* Harvey P. Dale, Aug 26 2022 *)
PROG
(Python)
def A061584_first(n):
an = "1"
a061584 = []
while n > 1:
a061584.append(int(an))
newan = ""
for i in an:
newan += str(6*int(i))
an = newan
n -= 1
a061584.append(int(an))
return a061584 # John Cerkan, May 25 2018
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Amarnath Murthy, May 13 2001
EXTENSIONS
More terms from Larry Reeves (larryr(AT)acm.org) and Asher Auel, May 15 2001
STATUS
approved