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A119162
Triangular numbers composed of digits {2,4,8}.
2
28, 48828, 828828, 842288428828, 24884484228828, 28284882828828, 2842448222228428828
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OFFSET
1,1
COMMENTS
a(8) > 10^40. -
Tyler Busby
, Mar 29 2023
LINKS
Table of n, a(n) for n=1..7.
Giovanni Resta,
Tridigital Triangular Numbers
.
FORMULA
a(n) =
A000217
(
A119163
(n)). -
Tyler Busby
, Mar 29 2023
CROSSREFS
Cf.
A000217
,
A027678
,
A119163
. See
A119033
for a table of cross-references.
Sequence in context:
A159439
A270070
A159443
*
A180067
A259365
A047680
Adjacent sequences:
A119159
A119160
A119161
*
A119163
A119164
A119165
KEYWORD
nonn
,
base
,
more
AUTHOR
Giovanni Resta
, May 10 2006
STATUS
approved
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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)