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A119214
Triangular numbers composed of digits {4,6,9}.
2
6, 66, 496, 666, 946, 4699966666944446964496
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OFFSET
1,1
COMMENTS
a(7) > 10^40. -
Tyler Busby
, Mar 29 2023
LINKS
Table of n, a(n) for n=1..6.
Giovanni Resta,
Tridigital Triangular Numbers
.
FORMULA
a(n) =
A000217
(
A119215
(n)). -
Michel Marcus
, Mar 27 2023
CROSSREFS
Cf.
A000217
,
A053961
,
A119215
. See
A119033
for a table of cross-references.
Sequence in context:
A249639
A163699
A062184
*
A075138
A227164
A043041
Adjacent sequences:
A119211
A119212
A119213
*
A119215
A119216
A119217
KEYWORD
nonn
,
base
,
more
AUTHOR
Giovanni Resta
, May 10 2006
STATUS
approved
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Last modified August 12 19:26 EDT 2024. Contains 375113 sequences. (Running on oeis4.)